Stand Up Paddle Board (SUP) in Japan

• Age 7～Age 60
• 1～2 hours
• 09:00 / 11:00 / 13:30 / 15:30

[Accompanied by a certified instructor! ! ] First, give a lecture on land and enter! After actually experiencing SUP near the shore and getting used to it, it's time to cruise around Lake Saiko! You can enjoy the sound of birds chirping, the sight of fish swimming, and the rustic Saiko Lake, surrounded by the Misaka Mountains and the Aokigahara Forest, from a different perspective. There are lodging facilities such as guesthouses and campgrounds scattered nearby, so it is recommended for large groups of women's trips, men's trips, couples, and families! You might even be able to meet the extinct species of ``Kunimasu'' to make memories for your children! ! This is a plan recommended by instructors! !

• For Rainy Days
• For Groups

• Age 0～Age 100
• 1～2 hours
• 09:30 / 13:00 / 15:15

A great activity where you can enjoy the sensations of canoeing and surfing at the same time. The board is large and stable, so you can ride it with small children, and you can sit down like a canoe, lie down and let the river flow, paddle standing up, or try riding with 2 or 3 people. It is very popular among groups and families! Whether you want to relax in nature or have fun, SUP offers a variety of ways to enjoy it, and you'll be sure to be satisfied. *You can participate with your pet. Please read the notes before participating.

• With Pets
• For Rainy Days
• For Groups
• For Family

• Age 4～Age 60
• 4～5 hours
• 08:00 / 12:30

★Beginners welcome! Enjoy SUP and snorkeling♪★A comfortable tour guaranteed with a beautiful shop♪★Free photo shoot for your memories♪Great for Instagram♪Okinawa's crystal clear blue sea. Take a walk on the sea with a SUP and head to a deserted island. Blue sea x white sand x SUP = HAPPY♪The sea of Onna Village where beautiful coral and tropical fish live. Why not play to your heart's content and relax to your heart's content? ~Great location & great access~The tour takes place on a deserted island in the Onna Village resort area. Pure white sand spreads out, colorful tropical fish and a coral reef sea. The ideal Okinawa you can imagine is here.

• Pickup Service
• For Rainy Days
• For Groups

• Age 12～Age 70
• 2～3 hours
• 10:00 / 14:00

A course where you can enjoy marine sports with confidence even for the first time. Let's take a pleasant water walk on Zushi Beach, which is close to the city center and full of nature! Cruising in the calm sea is soothing. spring is! Enjoy activities while watching cherry blossoms Learn how to enjoy and be safe in the sea while practicing basic movements such as how to hold a paddle, how to row, go straight, and change direction.

• For Rainy Days
• For Groups

• Age 12～Age 70
• 2～3 hours
• 10:00 / 14:00

Your troubles will be resolved at once with advice from experienced staff! ! First, learn how to row efficiently, and learn how to row without getting tired even if you crawl for a long time. Also, train your trunk and make a body that won't fall even in rough places and make a beautiful body! Exercise while having fun! ! A stand-up paddle is like a walk on the sea. Paddles at sea are excellent for healing. Relieve daily stress by strengthening your mind and body!

• For Rainy Days
• For Groups

• Age 7～Age 100
• 2～3 hours
• 10:00 / 13:00

The SUP Stand Up Paddle Board will be exercising his arms and legs as it keeps balancing on its own and will advance with rowing with a paddle. In addition, the landscape seen from the sea, our Sun me forget the people of the hustle and bustle, the mind and body relax! SUP is a very large board, excellent stability. It is a sport that you can enjoy for a wide range of Ageo/Okegawa groups, debut SUP at the outstanding transparency ocean!

• Age 5～Age 59
• 2～3 hours
• 09:00 / 14:00

``Group private tour'' This is a boat charter snorkel & SUP for one group. Recommended for those who want to make their stay in Okinawa a special time and for those who want to spend a private space just for themselves. Unlike a typical shared boat tour, you don't have to worry about other people. We will guide you through the ultimate Okinawa vacation that you can experience only with a private course. ``The boat is a new boat that entered service in January 2024, and is the best size for chartering one group.'' The boat used for the course is a new boat that was delivered in January 2024, ``YAMAHA YFR-27HMEX'', toilet, shower, air conditioner, The cabin is equipped with a sunshade awning, so women and children can rest assured. Capacity is 10 people, and up to 8 passengers can be on board, excluding 2 captain's staff. It's the perfect size for one group to reserve. The engine is YAMAHA's latest model ``V type 6 cylinder model F250N'' and uses gasoline instead of diesel oil, so the exhaust gas is clean and there are no odors or noises. ``The port is a 5-minute walk from American Village in Chatan Town'' The port is in Chatan Town, which is very popular, and there are many resort hotels and shopping centers and restaurants, and ``Chatan Fisherina'' is the closest to the tourist spot ``American Village'', so it has excellent access and atmosphere. is. ``Two 150-minute courses a day, available in the morning and afternoon.'' This is also recommended for those who have a lot of plans during their stay and want to make the most of their time after arriving in Okinawa or in the morning of the last day. Even with the 150 minute course, you can spend a leisurely 90 minutes after reaching the point.

• For Rainy Days

• Age 5～Age 59
• 2～3 hours
• 06:00 / 07:00 / 08:00 / 09:00 / 10:00 / 11:00 / 12:00 / 13:00 / 14:00 / 15:00 / 16:00 / 17:00

Course organizers SUPA ( Sun because this SUP Federation) · ISA (World Surfing Federation) instructors, while learning the correct knowledge, you can enjoy a safe SUP. You can cruise the sea and river rowing paddle (all) in the larger board than normal surfboard. So you can enjoy even low tide time is recommended by all means in after surfing! !

• Pickup Service
• For Rainy Days
• For Groups

• Age 15～Age 55
• 1～2 hours
• 07:00 / 09:00 / 11:00 / 13:30 / 15:30

[Accompanied by a certified instructor! ! ] Get away from the hustle and bustle of the city and rejuvenate your mind and body at Lake Kawaguchi, which is full of negative ions. With Mt. Fuji in the background, it's sure to be Instagrammable! ! A guide with extensive water play experience will give you a fun and detailed lecture. First, give a lecture on land and enter! After actually experiencing SUP near the shore and getting used to it, we will aim for "Unoshima, the only island in Yamanashi Prefecture"! ! *Depending on the season and time of day, the wind may blow strongly, and there may be some aftereffects due to the large number of watercraft, speedboats, sightseeing boats, etc. There is no problem even if you have no experience, but if you are concerned about children accompanying you, or if you are traveling in a group of 5 or more, we recommend the "Saiko Plan".

• With Pets
• For Rainy Days

• Age 4～Age 60
• 1～2 hours

★Beginners welcome! Enjoy the sunset on a spectacular beach♪★A comfortable tour guaranteed with a beautiful shop gathering♪★Free photo shoot for your memories♪Great for Instagram♪A mysterious magic of colors that captivates from the evening. The sun setting on the horizon. The soft light of the sunset sparkling on the water's surface. This experience of freeing your mind is an unparalleled luxury. Melt into the sea and have a moving experience that heals both your mind and body. We can also take photogenic photos. The tour will be held on the beach in the Onna Village Resort Area. After the tour, there are various restaurants near the Adventure Island shop in Onna Village. It is also a convenient location if you want to go to dinner right away.

• For Rainy Days
• For Groups

• Age 5～Age 70
• 2～3 hours

A SUP experience tour to the mysterious Shirahige Shrine, with its beautiful crystal clear water and floating torii gates! In the beautiful west side of Lake Biwa, which boasts the best water quality in Lake Biwa, you can feel the overwhelming vastness of Lake Biwa and the grandeur of nature while gazing at the horizon. Enjoy the majestic mountains and the beautiful Lake Biwa! Take a commemorative photo in front of the torii gate in the lake! The destination, Shirahige Shrine, is a power spot that Lake Biwa is proud of! It is also called Omi's Itsukushima because of the large torii gate floating in the lake with Okishima in the background. It is the oldest shrine in Omi, and as the name suggests, it is known as the god of longevity and long life, and is also the "god of guidance" for all business, including safe navigation, which is perfect for SUP. The large torii gate is also said to be a landmark for worship by boat. There are many things to see in the shrine grounds, so be sure to visit and then head home!

• With Pets
• For Rainy Days
• For Groups

• Age 9～Age 75
• 2～3 hours
• 09:00 / 10:00 / 11:00 / 12:00 / 13:00

◯ It is a relaxing course that includes a wet suit, a sap experience and free time from autumn to winter and spring. ◯ Since it is a sap school by ASI certified instructors headquartered in Australia, ◯ We will teach you basic skills while having fun. In the future, please think that it is a skill that you can enjoy sap when traveling domestically or overseas. ◯ Itogahama is a shallow and sandy beach, so you can use it with confidence. ◯ After school, please play as you like in the second half!

• For Rainy Days

• Age 7～Age 65
• 1～2 hours /2～3 hours /3～4 hours
• 07:00 / 09:00 / 11:00 / 13:00 / 15:00

With the popular SUP, “Instagram with Mt. Fuji in the background!” About 10 minutes after the on-the-ground lecture, after getting used to the shoal and getting used to it, we left for Izai! Mt. Fuji, which is the most photographed at Mt. Fuji, is a spectacular view.

• With Pets
• For Rainy Days
• For Groups

• Age 5～Age 59
• 3～4 hours
• 08:00 / 13:00

``Group private tour'' This is a boat charter snorkel & SUP for one group. Recommended for those who want to make their stay in Okinawa a special time and for those who want to spend a private space just for themselves. Unlike a typical shared boat tour, you don't have to worry about other people. We will guide you through the ultimate Okinawa vacation that you can experience only with a private course. ``The boat is a new boat that entered service in January 2024, and is the best size for chartering one group.'' The boat used for the course is a new boat that was delivered in January 2024, ``YAMAHA YFR-27HMEX'', toilet, shower, air conditioner, The cabin is equipped with a sunshade awning, so women and children can rest assured. Capacity is 10 people, and up to 8 passengers can be on board, excluding 2 captain's staff. It's the perfect size for one group to reserve. The engine is YAMAHA's latest model ``V type 6 cylinder model F250N'' and uses gasoline instead of diesel oil, so the exhaust gas is clean and there are no odors or noises. ``The port is a 5-minute walk from American Village in Chatan Town'' The port is in Chatan Town, which is very popular, and there are many resort hotels and shopping centers and restaurants, and ``Chatan Fisherina'' is the closest to the tourist spot ``American Village'', so it has excellent access and atmosphere. is. ``Half-day course with two flights per day, available in the morning and afternoon'' This is also recommended for those who have a lot of plans during their stay and want to make the most of their time after arriving in Okinawa or in the morning of the last day. Even with the half-day course, you can spend about 2 hours leisurely after arriving at the points.

• For Rainy Days

• Age 6～Age 100
• 1～2 hours

For corona measures, it is safe to use one set of charters every time! ! SUP showing signs of fashion. Take a polite lesson and take a walk on the lake on a buoyant surfboard!

• With Pets
• For Rainy Days
• For Groups

• Age 13～Age 100
• 1～2 hours
• 09:00 / 11:00 / 13:00 / 15:00

It is a safe and refreshing tour that you can participate from the life jacketed elementary school children in the bay of Maeda (Maeda), famous for its blue caves. Sea kayak Unlike, SUP feels as if you were walking on the sea. Entry from the beach of Cape Maeda. Ryukyu limestone rocks, small blue caves, and coral reef coves Cruising.

• Age 10～Age 70
• 2～3 hours
• 08:30 / 12:30 / 15:30

You can experience a beginner's SUP course and tour for about 2 to 2.5 hours. Why not see the natural scenery that can only be seen from the sea and the world heritage cityscape? ◎ Departure from Miyajima Island. You can get there by public transportation only (^^) ◎ It is a certified school of the Japan Safety Canoeing Association, so you can rest assured! ◎ The facility is also equipped with changing rooms and showers. [Please note! ] ・The guide will choose the best course for beginners, taking into consideration the sea conditions and wind direction. ・Due to the tides and wind direction, there are many cases where we do not go to the Otorii gate. ・If you want to go near the Otorii gate, we recommend the following kayak course! https://activityjapan.com/publish/plan/18555 [About participation time] ・Generally, the wind is weakest in the morning, and the wind gets stronger after noon. →If you have children or are not confident in your exercise, please choose "morning". ・After 4:30 p.m., the water surface is often calm with the "Seto no Yuunagi". →The sunlight will soften and you may be able to see the sunset. [Plan flow] ① Gather at the beach where the tour starts: 5 minutes ② Tour explanation: 5 minutes ③ Warm-up exercises on the beach and explanation of paddling: 15 minutes ④ Paddling practice: 30 minutes ~ ⑤ Break: 15 minutes ⑥ Tour around the coast: 60 minutes ⑦ Stretching and cleaning up: 10 minutes

• With Pets
• For Rainy Days

• Age 6～Age 100
• 1～2 hours
• 07:00 / 08:00 / 09:00 / 10:00 / 11:00 / 12:00 / 13:00 / 14:00 / 15:00 / 16:00

A SUP school run by the father who raised SUP surfing junior world champion Fukuda Kapono. Experience SUP at a full-fledged school where you can learn the basics safely and securely. A basic SUP school taught by a certified Japanese stand-up paddle instructor. Not an experience, but a SUP school. Kindness and politeness are the motto. After learning how to paddle properly in the SUP lecture, go to the sea! Practice turns on the sea and master your paddle form to become a SUP surfer from today. The training method taught by Fukuda, the representative of Amami SUP pioneers who has taught SUP to over 4,000 customers in the past, has been very well received by many people. We will help even those who are not good at swimming. Please participate with confidence. In addition, for customers who wish to participate with children aged 3 to 6 years old, children can wear life jackets for 3,500 yen each (additional charge) and ride in front of the instructor. Parents can enjoy a long-awaited date on the water.

• For Rainy Days
• For Groups

• Age 10～Age 65
• 2～3 hours
• 00:00

★Have the sea all to yourself on a private tour limited to one group! ★Beginners welcome! Let's play with the waves on SUP! ★Safe and secure as you will be guided by an experienced guide★Surf riding is difficult! You might think so, but using a simple board makes it easy for even beginners to ride waves! Even if it's your first time, you can enjoy the detailed lecture! *Surf points in Okinawa can only be held around high tide. We will contact you with the event time after making your reservation.

• For Rainy Days

• Age 5～Age 75
• 2～3 hours
• 09:30 / 13:00

It is a cruising tour that you can participate in from those who have experienced SUP for the first time to those who have experience! A professional SUP racer will carefully give a lecture, so please feel free to join us. While watching the scenery full of nature unique to Yanbaru in northern Okinawa, travel freely with SUP. Explore uninhabited islands and caves that can only be reached by SUP, observe creatures in ino (tidal pools), jump from rocky areas and dive in! Snorkeling when you reach the point by rowing SUP! Colorful fish and corals are waiting for you ^ ^ We will guide you to the best condition point depending on the weather on the day, so even first-timers can apply with confidence. Because it is a chartered tour for one group, you can enjoy it to your heart's content at your own pace without hesitation! ■We have a simple shower, tent for changing clothes, and bath towels! ■Photos taken by the guide during the tour are free gifts! ■Very popular! ! Original drink ・[Shikuwa-Thermoheat] now in service! It's refreshing and will blow away the heat ♪ With the glide paddle service, we would like all guests to enjoy the sea of ​​Okinawa, so we are offering one group charter.

• For Rainy Days
• For Groups

• Age 11～Age 100
• 2～3 hours
• 09:00 / 12:30

■ The 100 is a calm sea! Ideal for beginners because the Seto Inland Sea! ■ If the condition is good, island hopping up to a deserted island nearby! ■ It is OK even if you are not good at swimming & cold! Those who wish will borrow life jackets & wet suit. ★ Experience course for SUP beginners who can enjoy marine sports safely even for the first time. ★ You can enjoy SUP, which is causing a big boom worldwide in recent years, for 2 hours! ★ In this school, we will do basic operations such as topography and tool explanation, paddle holding, rowing method, straightforward, direction change before the experienced instructor comes out to the sea, so careful polite for safety We will teach you so you can learn how to operate SUP while having fun ♪ ★ Because it is a large board with buoyant force, even the first person can freely row out to the sea in no time.

• Pickup Service
• For Rainy Days
• For Groups

• Age 9～Age 80
• 1～2 hours /2～3 hours
• 09:00 / 11:30 / 14:00

☆☆☆《30%OFF》Celebrating 0th year SALE now on☆☆☆【 Main points of this menu 】◇Lake Toya is the third largest caldera lake in Japan, created by a volcano! SUP tour on a beautiful lake♪◇Since the maximum number of people per class is 4 people, you can learn the basics of SUP safely and enjoyably, so it is recommended for couples, family trips, travel education and group trips♪◇We will take pictures of your fun experience with a single-lens reflex camera and GoPro♪◇If the weather is good, you may be able to experience aerial photography with a drone by a professional cameraman!?◇A Japan SUP Instructor Association certified instructor will give a lecture according to your level! *The participation fee may vary slightly depending on the season. *You can also see the SUP experience on Instagram "rir hokkaido" and the website "Rir Hokkaido". 【 Duration 】About 2 hours (including reception and preparation time) *The experience time is about 1 hour and 30 minutes, and will start as soon as you are ready 【Conditions for participation】Healthy people over 9 years old who can swim comfortably. Those who agree to the pledge on the day. In addition, minors must be accompanied by a guardian or submit a consent form, so please contact us. Note: Those who are drinking alcohol or taking medication that may interfere with exercise are not allowed to participate. [Things to bring: showers/changing rooms] Swimsuit (or rash guard, etc.), beach sandals, towels, and other items you may need. [Characteristics of Lake Toya] The color of the sky and the lake are the same, and sometimes the lake surface reflects the water like a mirror! The calm Lake Toya was actually formed by volcanic activity! It is the third largest caldera lake in Japan. You can see the beautiful Mt. Yotei to the north of Lake Toya, and the volcanic Mt. Usu and Mt. Showa Shinzan to the south, and you can enjoy various landscapes throughout the four seasons! [◆◆Notes◆◆] *Depending on the wind and weather conditions on the day, the meeting time and meeting place may be changed or canceled. *Please note that we cannot give refunds after the start of the event. *The meeting place and event location will vary depending on the conditions on the day as shown below. We will contact you by email or phone between 6:30 pm and 8:30 pm on the day before the event to inform you of the meeting time and dress code.

• With Pets
• For Rainy Days

• Age 3～Age 70
• 1～2 hours
• 07:00 / 09:00 / 12:00 / 15:00

Why not try SUP (Stand Up Paddle Board), which has become popular recently? You can look down into the water as if you are walking on the sea, and it's a new sensation that makes you feel like you are walking on the sea! You can feel safe because you will be taught the basic operation with the instructor. There are also life jackets for dogs, so you can join us with your dog! ~ Flow of the day ~ ① Reception ② Practice / Explanation: First, we will practice paddling on the beach and in shallow waters and explain things to be careful about. ③ Start of the experience: Walk on the sea with the instructor. Since SUP is a playful sport, it is okay to spend time on the sea even if you can't paddle. ④ Return and disband ★ For a limited time, we will provide you with a special smoothie for free! (Please leave a word of mouth and review.) ★ Free photo service!

• With Pets

• Age 13～Age 60
• 2～3 hours
• 09:30 / 13:00

This tour is open to everyone from first-time SUP riders to experienced riders! This plan allows you to enjoy both the popular SUP and skin diving (free diving). A professional SUP racer and diving instructor will give you a thorough lecture. *If you are new to snorkeling, we may guide you in snorkeling. We move to the out reef while cruising on an SUP! We will give you a detailed lecture on how to use the paddle and how to operate the board. Once you get used to it, you can move freely on the beautiful sea. On the SUP cruise, you can take a detour to uninhabited islands, caves, and inos (tide pools) to feel like you are on an adventure♪ When you arrive at the diving point, you can jump in with skin diving (free diving)! Swim with colorful fish and corals! We will support even first-timers. We will guide you to the best condition point depending on the weather on the day! ■ Simple showers, changing tents, and bath towels are provided! ■ Photos taken during the tour will be given to you for free! ■ Very popular! We are currently serving our original refreshing drink, [Shikwa Thermojito], which will blow away the heat. The Glide Paddle Service is available exclusively for one group so that all guests can enjoy the Okinawan ocean to the fullest.

• For Rainy Days
• For Groups

• Age 7～Age 79
• Within 1 hour
• 09:00 / 13:00 / 15:00 / 17:00

A SUP experience where you can meet sea turtles is very popular with people of all ages and genders. The beach is not affected by waves, so it is suitable for beginners. Participants age 7 to 79 years old, pets allowed! Free charter for 4 or more people, many options to choose from ◆ Fully equipped parking lot, toilets, showers, and changing rooms are available as the stores are gathered together! It is also popular because it is located on the same premises as "Hiro-chan Shokudo", which has been in business for 30 years, so you can eat lunch immediately after the tour! ◆ 4 years in a row! Okinawa Prefectural Public Safety Commission certified "Excellent Safety Measures Store" Staff are SIJ certified SUP instructors, PADI snorkel guides, and Red Cross water rescuers. In case of an emergency, we have personal injury insurance and liability insurance, and small group tours

• With Pets
• For Rainy Days

• Age 10～Age 100
• 2～3 hours
• 10:30 / 13:30

Impressed by the magnificent scenery! Tojinbo ・ SUP Tour ・ Cruising while watching the scenery on SUP ・ A powerful Tojinbo with big rocks rising!・ All tools can be rented. ・ Small group of 1 to 3 people. You can receive polite support ・ Equipped with 10 free parking lots ~ Flow of the day ~ ① Meeting and reception at the store ② Explanation of SUP experience school ③ Trying on and changing clothes on wet suits ④ Land training at the beach ⑤ SUP cruising at Tojinbo ⑥ Moving , Shower, Change of clothes ⓻ Dissolution * Please note that the flow may change depending on the situation on the day.

• For Rainy Days

• Age 3～Age 100
• 2～3 hours
• 10:30 / 13:30

SUP school that is safe for SUP beginners with a solid lecture on the new standard SUP for water sports. The board used in SUP has a large buoyancy, so it is stable, and anyone can stand up if they receive a lecture firmly! At our school, we will give lectures on how to hold a paddle, how to row, how to balance, precautions at the sea, etc., so it is safer than starting alone ♪ Let's go for a water walk in the sea of Mikuni! ～ Flow of the day ～ ①Meeting and reception at the store ②Explanation of SUP experience school ③Trying on and changing clothes of wet suit ④Land training at the beach ⑤SUP experience school at the sea ⑥Movement, shower, change of clothes ⓻ Dissolution Please note that it is subject to change.

• For Rainy Days
• For Groups

• Age 6～Age 75
• 1～2 hours
• 08:30 / 09:30 / 12:00 / 14:00 / 15:30

If you want to try SUP but are a little nervous, this lesson is based on the motto of safety first. Beginners are welcome! An instructor will accompany you, so even if you are new to SUP, you can feel at ease. Take a leisurely stroll on the sea at the beach with the scent of sea breeze♪ The sea is rich in nature in Minamiboso Quasi-National Park, Chiba Prefecture. Enjoy a casual SUP tour. When you get on a SUP and let yourself go with the flow, you will once again feel the height of the sky above you and the vastness of the sea that spreads around you. You will also see wild birds flying freely in the sky, beautiful small fish swimming in schools, and jellyfish floating leisurely on the surface of the water. You will also hear the sound of the waves, the cries of seabirds, and the sound of the wind blowing across the surface of the water. SUP gives you a sense of unity with nature. Another attractive feature is the exhilaration of being able to move freely on the surface of the water! [Experience fee] Adults (high school students and above) 6,500 yen Elementary school students to junior high school students 6,000 yen What is included in the fee... SUP board rental fee, life jacket rental fee, facility usage fee, guide fee, insurance fee, consumption tax Wetsuit rental is available for 1,000 yen (tax included)

• With Pets
• For Rainy Days
• For Groups

• Age 7～Age 100
• 1～2 hours
• 10:00 / 13:00

Paddling the paddle standing on top of the board, and guidance recent vogue of SUP (the stand-up paddle board) 2 hours firmly. If you approach do not know at all, who can not ride very well, those who want to improve, we instructed to firmly progress.

• For Groups

• Age 10～Age 70
• 2～3 hours
• 09:00 / 14:00

A leisurely exploration tour of the mangrove virgin forest with SUP! It is good to walk around the mangrove gracefully by kayaking, but it is a must-see for those who want to ride SUP a little more actively anyway! The board you ride is wide and relatively stable, so it may be easier to ride than you think! All the staff in charge are certified instructors of the Japan Stand Up Paddle Board Association, so even beginners can participate with confidence because the explanation of how to take steps is easy to understand! Everyone rides a canoe, but we experience mangrove with SUP! It's a popular tour that's perfect for making the best memories.

• With Pets
• For Rainy Days
• For Groups