Water sports (river / lake activities) in Japan Page 16

• Age 3～Age 80
• 1～2 hours
• 10:00 / 12:00 / 14:00 / 16:00

Playing in the water in the great outdoors. Children can practice fluttering with their feet in the water, or start by getting used to the water. As you get used to it, you will gradually face your father and mother and play a rock-paper-scissors game while balancing, lie down on the board, throw a ball, and do various programs according to each pace. ～ Flow of the day ～ ① Reception, facility information, explanation for safety on the water 10 minutes ② Change of clothes 10 minutes ③ Explanation of flow and precautions before playing SUP 5 minutes ④ SUP play 50 minutes

• Age 15～Age 100
• Over 6 hours on the day
• 10:45

Takeno Town is located just 10 minutes by train from Kinosaki Onsen. Along the coast of Takeno-cho, Toyooka City, Hyogo Prefecture, there is not only the beautiful color of the sea, but also a variety of geology and topography from the formation of the Sea of ​​Japan to the present day. In addition, Takeno-cho still has a townscape of houses made of roasted cedar boards that have been passed down since ancient times, and the townscape still has the atmosphere of a small Japanese fishing port. In Takeno, a quiet town where old Japanese houses still remain, you can experience a variety of activities that allow you to experience the Japanese countryside. List of activities (city guide/fishing experience/fishing boat cruising/geo canoeing (*not available in winter)

• Age 3～Age 65
• 1～2 hours
• 05:30 / 08:00 / 10:30 / 13:00 / 15:30

[Attractiveness] ☆ Ishigaki Island's first! Mangrove & sea drone tour❗️※Single-lens reflex photography is also included. ☆Limited to one group❗️Luxurious tour where you can enjoy privacy! ☆Recommended activity that is safe and secure even for beginners of SUP and kayaking! ☆5.4K drone & high-quality SLR camera photo and video data for free! ☆120% satisfaction❗️The photos and videos you take will be turned into high-quality works and handed over to you! ☆Shimanchu (islander) professional photographer guide will guide you❗️☆English OK❗️☆Mangrove that you can land on❗️Meet creatures and plants that you can only meet here! [Ishigaki Island's first! Natural monument "Fukido River" mangrove & crystal clear sea SUP / kayak 5.4K drone & high-quality SLR camera photography included] *Reference video is at the bottom of the page! A luxurious tour that includes a SUP or kayak experience in the mangrove forest and the clear blue sea of the popular spot "Fukido River", which is also designated as a cultural asset of Ishigakijima City, and shooting with a high-quality 5.4K drone and a high-end SLR camera! This is a very recommended activity that allows you to enjoy two views in one tour! We have incorporated new views that you can't experience anywhere else into our tour! In addition to the mangroves, we also take drone and SLR photos of the sea! You can experience the green and blue scenery in this one tour! It would be a shame not to do this trip to Ishigakijima! Most of the kayak and SUP participants are beginners, so please feel free to join the tour. [Time] Part 1 5:30-7:30 *Please note that drone shooting is not possible during the 5:30 tour due to darkness. Part 2 8:00-10:00Part 3 10:30-12:30Part 4 13:00-15:00Part 5 15:30-17:30*Changes and consultations for times other than those listed above are OK [Example of schedule on the day of the tour] ①7:50/10:20/12:50 Meet at the site (Fukidōbashi parking lot) ②8:00/10:30/13:00 Preparation & lecture/activity start ③9:00/11:30/14:00 SUP/kayak in the mysterious mangroves, and search for creatures at the landing point! ④9:10/11:40/14:10 Once you get used to operating the SUP/kayak, take drone photos! We will take great photos and videos at the recommended angles! ⑤9:20/11:50/14:20 Move to the sea! Capture the seascape with a single-lens reflex camera and drone for a memorable experience! ⑥9:50/12:20/14:50 Activity ends ⑦10:00/12:30/15:00 Change clothes & disband on site (Fukidoribashi parking lot) *The schedule may change depending on the weather and tide on the day. You can choose a mangrove only or sea only tour. Please consult us. *The photos and videos you take will be sent to you via LINE after they have been processed to the best quality (payment can be made on the same day or 3 days later). In the event of bad weather, we will guide you to a tour with only SLR photography.

• For Rainy Days
• For Groups

• Age 2～Age 70
• 2～3 hours
• 09:30 / 13:00

[Beginners and children welcome] [Experience time 2.5 hours] Verde's "Kayak" is a program for beginners that uses a stable two-seater sit-on type boat. Three people are also allowed if they are up to 130 cm tall. You can feel connected to nature by paddling near the calm water surface and in the jungle-like tributary. It is also perfect for playing in the river in the summer with small children. Perfect for outdoor beginners. Please spend a special time with your family, spouse, and dog.

• With Pets
• For Rainy Days
• For Groups
• Activity Japan 2024 Fall Sale

• Age 2～Age 70
• 2～3 hours
• 09:30 / 13:00

[Spring and autumn also welcome] [Experience time 2.5 hours] Opening in spring 2024! "Canadian canoe" uses a boat with a deeper deck than a kayak, so you are less likely to get wet and can enjoy the scenery at your leisure. Recommended for spring and autumn. Paddle through the jungle and the main stream of the magnificent scenery that shows various expressions depending on the season, and enjoy cruising while feeling the sounds of birds and the babbling of the river. Perfect for outdoor beginners. Spend a special time with your family, spouse, and dog. Up to four people, two adults and two children up to 130 cm tall, can enjoy riding the boat together.

• With Pets
• For Rainy Days
• For Groups
• Activity Japan 2024 Fall Sale

• Age 3～Age 80
• 1～2 hours
• 17:00

[Very Popular Sunset SUP] As you sway on the waves on your SUP and soak up the setting sun, you're sure to be able to feel the gradually changing colors of the sky and the great nature of Itoshima♪ At Itoshima SUP Tours SUPÜP, you can enjoy a luxurious time at your own pace, whether it's SUP cruising, leisurely paddling, or lying on the SUP and gazing at the sky, listening to the sound of the waves and feeling the smell of the sea♪ You can even ride on the same board with your children or pet dog○ We look forward to the day when we can share the fun and healing sensations of SUP with you all!

• With Pets

• Age 10～Age 60
• 1～2 hours
• 08:00 / 09:00 / 10:00 / 11:00 / 12:00 / 13:00 / 14:00 / 15:00 / 16:00

This is a tour that takes you under the Irabu Bridge with a large panorama and goes to Uni Beach and lands on the beach! At first, you can enjoy SUP, and after you go out to sea, you will be pulled by a boat in places where the wind and tide are fast, so you won't get tired. After landing, you can take photos, walk, and enjoy yourself freely! Of course, we will also take photos with a drone! ★SUP beginners are OK! ★Free photos and videos! ★Free equipment rental! [Plan & Schedule] The whole tour is about 1.5 hours. The tour is held several times a day. (Varies depending on the tide conditions) ① Meet with the guide and start the activity! ↓ (about 20 minutes) ② SUP experience & move to Uni Beach! ↓ (about 30 minutes) ③ Landing on Uni Beach ↓ (about 40 minutes) ④ End of activity, disband! *The start time varies depending on the weather and tide levels. ・If you are not physically fit, we may refuse your participation, so please contact us.・We may refuse participation if we determine that a person is unable to follow the guide's instructions, such as a person with a hangover, pregnant woman, or other such condition that may impede the tour. ・Please rest assured that the tour will be conducted by a guide with first aid qualifications.

• With Pets

• Age 6～Age 100
• 2～3 hours

We will go down by canoe from 3 km upstream of one of Amami Oshima's two major rivers, "Yakukachi River", to the mangrove primeval forest. It is a perfect plan for those who want to enjoy canoeing to the fullest. <Morning section> 10:00 start <Afternoon section> 14:00 start

• For Groups

• Age 5～Age 100
• 2～3 hours
• 08:00 / 14:00

It's okay even for the first time. Everything you need comes with a bowl, a reel, a food, a set of tricks, and ice, so leave it handy. ※ Additional mechanism is extra charge.

• For Groups

• Age 12～Age 100
• Within 1 hour

Once you experience it, you can't stop enjoying it ♪ Take a walk on the air taking advantage of the power of jets on the water bike. A revolutionary marine sport that allows you to experience different dimensions.

• For Groups

• 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 4～Age 100
• 2～3 hours

Slowly proceed through the mangrove virgin forest while illuminating the lights. On a clear day, you can see the starry sky. Why don't you feel the mysterious time while being surrounded by the tranquility of the night?

• For Groups

• Age 7～Age 60
• 2～3 hours
• 07:00 / 10:00 / 13:00 / 16:00

This is a deserted island tour departing from Itoman Fisherina (^^♪ After departing, you will arrive near the deserted island in 10 minutes! You can land on the deserted island from there, or enjoy activities such as clear kayaking, clear SUP, sea scootering, and snorkeling. This is a great plan that allows you to experience all activities and the deserted island within the time limit (*^^*) Experience flow (※Approximately 2 hours) ・Meet at the Itoman Fisherina office 15 minutes before the start of the tour ・Explanation of preparations and tour flow and precautions ・Board the boat and depart for Okanamijima (※Approximately 10 to 15 minutes) ・Enjoy various activities or land on the deserted island (there are whale fossils there, I hear.) ・Board the boat and depart for Itoman Fisherina ・Disband [Precautions] ・If the organizer judges it dangerous due to the height of the waves or the strength of the wind on the day, the tour may be canceled. In that case, There will be no charge and you will receive a 100% refund. ・Depending on the time of your reservation, it may be low tide, which may limit the activities you can enjoy. (For example, the water may be too shallow to play in a kayak or SUP.) When making a reservation, we recommend that you check the tide for the time you wish to participate at the following URL. https://sio.mieyell.jp/select?po=84705・If you are late for the meeting time, you may not be able to participate. In that case, the reservation will be canceled due to customer's convenience. ・There are no coin lockers at this facility. We recommend that you leave any luggage that you do not want to get wet or dirty in your car or at the Fisherina office. *Please take responsibility for managing your valuables. ・If you have any illness, you will need to be diagnosed by a doctor. *Those with chronic illnesses such as respiratory disease, circulatory disease, ear or nose disease, epilepsy, or diabetes may be refused participation. ・Pregnant women cannot participate. ・You can use the hot water shower room at Itoman Fisherina for 200 yen, but please bring your own towels, shampoo, soap, etc. ・Minors under the age of 18 cannot participate alone.

• For Rainy Days

• Age 1～Age 100
• 3～4 hours
• 09:00 / 14:00

[Our most popular plan is this plan! ] It is a greedy plan where you can feel the "mangroves", "waterfalls" and "mountains" of Amami Oshima on a short (3.5 hours) tour that is easy to think about schedules from the morning and afternoon! [Recommended points]・Guide to the world's largest leguminous modama natural area, which is said to be modeled after Jack's Beanstalk!・The highlight! To the powerful "Funangyo Falls" with a drop of 35 meters!・After experiencing the negative ions, explore the mangroves in a leisurely canoe!・You can participate from 0 years old to the elderly!・It will be held regardless of the season!・A tour with a high probability of being canceled even if it rains!・A guide who is familiar with the nature of Amami Oshima will guide you!・The fact that the age group of the Amaniko staff is young makes it easy to participate! Please join us! *Canoeing, Beanstalk & Waterfall may change depending on the tide level. * It may not be possible to carry out at the desired time due to the tide level. In that case, Amanico will contact you for consultation.

• With Pets
• For Rainy Days
• For Groups
• Activity Japan 2024 Fall Sale

• Age 5～Age 70
• 1～2 hours

This is a beginner course for those who want to experience SUP (Stand Up Paddle Board) casually in Okinawa. Anyone from children to adults can participate.

• With Pets
• For Groups

• Age 12～Age 55
• 3～4 hours
• 08:30 / 12:30

At Naughty Boys, we run tours with the motto of "More fun! More intense!!" and are designed with the perspective of customers who want an active tour in mind. Participants must be junior high school students or older so that adults can enjoy themselves to the fullest. Rafting Naughty Boys was founded by guides who have been involved in rafting on the Kuma River since its inception and have over 15 years of experience. ~Schedule for the day~ (morning/afternoon) 8:30/12:30 Gathering → Reception/Payment → Changing clothes → Movement/Explanation 9:00/13:00 Departure 11:30/15:30 Goal → Movement 12:00/16:00 Disbandment "Diving" experience point available *Due to the heavy rain disaster in July 2020, the "Tarzan" experience is not available. Thank you for your understanding.

• Pickup Service
• For Rainy Days
• For Groups

• Age 7～Age 69
• 2～3 hours
• 16:00 / 17:00 / 18:00

[Limited to 1 group every day! ! ] [Beautiful facilities can also be reserved!! Private tour] Private SUP tour limited to 1 group! Full facilities such as hot showers, changing rooms, and toilets are also available for private use, so you can enjoy a relaxing and private time! This is a private tour, so even those who are trying SUP for the first time can enjoy the beautiful sea at their own pace. Watch the sun set quietly over the horizon and mountains of Okinawa... from above the sea! I've never had an experience like this before! Float your SUP on the sunset sea and watch the sunset as if you were melting in your skin. Such a romantic situation is sure to impress! We will do our best to support you with surprises such as proposals ★☆ End the day in the midst of nature with a view of the sunset from the sea. Why not experience a luxurious and special time unique to Okinawa on Hareta's completely private SUP tour, limited to one group each day?

• For Groups

• Age 7～Age 69
• 2～3 hours
• 16:00 / 17:00 / 18:00

[Limited to 1 group every day! ! ] [Beautiful facilities can also be reserved!! Private tour] Private SUP tour limited to 1 group! Full facilities such as hot showers, changing rooms, and toilets are also available for private use, so you can enjoy a relaxing and private time! This is a private tour, so even those who are trying SUP for the first time can enjoy the beautiful sea at their own pace. Watch the sun set quietly over the horizon and mountains of Okinawa... from above the sea! I've never had an experience like this before! Float your SUP on the sunset sea and watch the sunset as if you were melting in your skin. Such a romantic situation is sure to impress! We will do our best to support you with surprises such as proposals ★☆ End the day in the midst of nature with a view of the sunset from the sea. Why not experience a luxurious and special time unique to Okinawa on Hareta's completely private SUP tour, limited to one group each day?

• For Groups

• Age 16～Age 70
• 2～3 hours
• 09:30 / 13:30

Take a relaxing two-seater kayak down the Tokachi River, a large river that flows slowly for about 6 km. You are in charge of rowing yourself! The guide will support you in a separate kayak. Let's go on a river trip together ^^ If you're lucky, you might encounter rare wild birds such as the red-crowned crane or the white-tailed eagle, or even observe the willow tree, which has a very small habitat in Japan! We also recommend looking out over the majestic Hidaka Mountains from the river for a beautiful view. On the way, in Nakasu, you can collect obsidian (Tokachi stone) that can only be found here and take it home as a souvenir! ! It looks like a stone on the riverbank, but inside it's actually beautiful black glass. You'll feel like you're looking for a little gem. It's on until November! *In November, only morning tours are available. *During busy periods such as July and August, the tour may start at 10:00 a.m. or 1:00 p.m. In that case, we will contact you by email or phone the day before.

• For Rainy Days

• Age 6～Age 100
• 2～3 hours
• 08:30 / 13:30

Wajiki rafting that can be participated from the first grade of elementary school. Go down while capturing the rippling river! It is a course with a little thrill. I want to enjoy a little thrilling course with my family! Recommended for those who say. A river guide with more than 10 years of experience as a rafting guide will guide you, so you can participate with confidence even for the first time. * For adults only, please apply for "Wajiki Rafting" from the 5th grade or above.

• For Rainy Days
• For Groups

• Age 12～Age 65
• 2～3 hours
• 09:30 / 13:00 / 15:30 / 16:00

A sea kayak is a tool for traveling. We will introduce you to the charm of the outdoors and the charm of sea kayaking. Isn't it unstable? Won't it turn over? Many say this, but it's actually a much more stable vehicle than you might imagine. The view from sea level is worth seeing. This is an approximately 2.5 hour experience program.・10 seconds to the sea ・15 minutes walk from JR "Zushi Station" or Keikyu "Zushi Hayama Station" ・Even first-timers or those who are not confident in swimming can feel free to participate ・One-seater authentic sea kayaking - Individuals are welcome - If the weather is nice, you can see Enoshima and Mt. Fuji - The changing room is fully equipped with bath towels and a wide range of amenities - A complimentary drink will be provided after the experience - Sunset kayaking is also available only in the summer

• For Rainy Days

• Age 4～Age 69
• 1～2 hours
• 10:00 / 11:30 / 13:30 / 15:00 / 16:30

《Screaming Marine Sports x Screaming Cruise》We offer a higher level of screaming marine sports on a screaming cruise ship! ┗80km experience! 120% exhilaration! ┗The screaming cruise is "High! Tension! Enjoy a thrilling cruise" ┗Free photography service included/cameras allowed ┗We have two recommended marine sports. Banana boat/screaming level ★★ Marble/★★★ Thriller/screaming level ★★★★★ *We will provide two recommended activities according to the number of participants. Small to large groups can enjoy it. ┗Since we have a cruise boat, you can enjoy it on the ship! Even more value♪ Conquer the two major thrill rides on the most popular set course《Breathtaking parasailing & screaming marine sports x screaming cruise》┗Trademarked rare sound parasailing♪┗Certified! Comes with a flight certificate! ┗The set course has a rope of 120m♪Can be upgraded to the longest 200m in Okinawa! ┗Free photography service included/Camera allowed/Aerial photography allowed! ┗3 people allowed! ┗Same port so no need to move around, easy ┗Set discount available Good access ┗About 20 minutes from Naha/About 15 minutes from American Village/About 40 minutes from Blue Cave ┗Parasailing detailsFlight certificate includedFree photography service includedSet course rope 120m♪Can be upgraded to 200m, the longest in Okinawa! Camera allowed/Aerial photography allowed! 3 people allowed!Estimated time required〇Marine sports time required: About 1 hour

• For Rainy Days

• 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 10～Age 100
• 4～5 hours
• 10:00

The first one, blank Uneasy such as free, feel free to enjoy the course anyone. It looks like ride in a day. Depending on the level and condition, you will be provided the day most enjoyable tool. Photo gifts underway! (It is limited to those who can post on blogs and HP)

• Age 6～Age 70
• 1～2 hours
• 08:00 / 09:00 / 10:00 / 11:00 / 12:00 / 13:00 / 14:00 / 15:00

The reservation reception desk has changed. Plan ID: 53782https://activityjapan.com/publish/plan/53782Izu Shimoda Clear kayak rental for those who want to enjoy the calm and good water quality of Tonoura Beach! Family and friends can take turns boarding♪ Take photos of your memories of coming to Shimoda and upload them to SNS♪ ⭐60-minute rental course⭐For inexperienced customers, there is an optional course where an instructor will accompany you and give you a lecture to enjoy safely. Excellent transparency! Why not take a relaxing clear kayak at the beautiful Tonoura Beach with AA water quality? Two-person boat: Children (under 7 years old) can board with 2 people. Please message us when applying, we will provide you with a life jacket. *Total weight limit for passengers is up to 160 kg *Since this kayak is easily swept away by wind and tides, it will be used within the specified range (image). There is a swimming period in the summer. If you come by car, please use the store parking lot (free, about 7 minutes to the sea) or the beach parking lot (an additional 1,000 to 2,000 yen). The store parking lot (about 7 minutes to the sea) and hot showers are free. There are many other activities you can experience at SeaIzu that you can enjoy all day long. *Personal watercraft activities will be experienced at Shimoda Port.

• Age 1～Age 75
• 2～3 hours /3～4 hours
• 10:00 / 13:15

It is a marine guided tour that specializes in stand-up paddle board (SUP) and snorkeling on Zamami Island in the Kerama Islands, Okinawa Prefecture. Zamami will hold tours according to the weather of the day, such as sea turtle tours and unexplored tours, centering on points that boast top-class transparency in the world, so even beginners can do it. Since we hold a tour according to the ship from Naha, we can propose a plan that matches the reserved ship. We also recommend the family plan as it is suitable for families with children.

• Pickup Service
• For Groups

• Age 5～Age 60
• Within 1 hour /1～2 hours

It's Fasea's Marine! We are holding a SUP experience tour in Onna Village, Okinawa Prefecture! ! Why not take a SAP and land on a nearby uninhabited island and have a commemorative photo taken by the staff, so why not make some memories of Okinawa? Don't worry because a guide is included! ! Beginners, women, and children are also welcome! ! There is also a very popular Nakamura Soba restaurant nearby and a stylish cafe inside the facility, so if you come here, you can play in the beautiful sea, eat delicious food, and enjoy Okinawa with all five senses! ! Let's enjoy the sea of ​​Okinawa together!

• Pickup Service
• With Pets
• For Rainy Days
• For Groups

• Age 7～Age 70
• 2～3 hours

The area around Cape Maeda is a popular spot in Okinawa Prefecture for beautiful sunsets. This tour involves cruising on a SUP with the sun setting on the west coast as your backdrop. Whether you are with your close friends, as a couple, with your family or by yourself, this beautiful sunset is just for you. With only one group per tour, you can enjoy a completely private tour without worrying about other customers. We will take photos of you during the tour and give you the digital data immediately after the tour ends. Of course, this is free of charge. Thanks to the friendly and thorough lectures from our veteran guides, even beginners will be able to stand up and paddle. We will guide you to popular photogenic spots and take photos.

• Pickup Service

• Age 10～Age 59
• 2～3 hours
• 08:30 / 10:30 / 13:00 / 15:00 / 17:30

Thank you for visiting the page of Marine Tour Service Tontondaibu! SUP (Stand Up Paddleboard) is the official name. It is a fun water sport that originated in Hawaii. You can ride on a large surfboard and walk on the water surface while balancing with a paddle, do yoga, etc. It is a very popular sea play plan because you can participate in it with a T-shirt and shorts that you don't mind getting wet. Of course, it is a sea play that anyone can experience with confidence, so it is a sea play that can be recommended to anyone. The main location is the quiet and beautiful beach of Seragaki, Onna Village, but please note that the location may be changed depending on the sea conditions. If you would like to add more people, we have set it up so that you can add more people as an option, so please add the number of people from there. It is up to 3 people in total. ・Insurance, heavy equipment, diving wear, basic necessary equipment, etc. are all included in the plan price. ・Go Pro ・We will take lots of fun photos with Go Pro and Olympus TG series ・Our shop is a completely private style, so please enjoy a private tour.・Equipped with individual warm water showers, powder rooms, hairdryers, body shampoos, etc. *Please read the Diver Medical Check before participating and consult if you need a doctor's evaluation. ・Please refrain from participating if you are over 60 years old, weigh over 90 kg, or have problems in daily life. ・Minors will need a parental consent form, so please let us know in advance. ・Those who are not feeling well or have a hangover on the day will not be able to enjoy playing in the sea, so we may refuse your reservation. ・Even on rainy days, if there are no problems with the ocean conditions, the event will be held as usual. ・Please note that the location may be changed or the event may be canceled due to worsening ocean conditions or typhoons. *Free parking is also available!

• For Rainy Days

• Age 10～Age 65
• Within 1 hour

You can also try the very popular flyboarding experience at 75Mare.Umiasobi! You can have fun on the private beach directly connected to the hotel♪ Of course, it is also OK for non-guests staying at the hotel(^_-)-☆ It is an extremely exhilarating activity♪ Even if it is your first time, our instructors will teach you carefully!

• For Groups