Water sports (river / lake activities) in Japan Page 30

• Age 5～Age 100
• 2～3 hours

* Reservation from 3 people is free for 1 person! ! (Reservation for more 5 people is free for 2 people) We will change the price after booking free of charge, so please wait for us to contact us Popular marine playground equipment such as banana boats and U tubes. In addition, popular marine sports, Wakeboarding 120 minutes all-you-can-play course! Available from 2 people. * The banana boat is for three people. We will add 8 seats in the future.

• For Rainy Days
• For Groups

• Age 12～Age 59
• 1～2 hours
• 08:00 / 09:00 / 10:00 / 11:00 / 12:00 / 13:00 / 14:00 / 15:00 / 16:00

A marine activity that originated in Hawaii. Stand Up Paddle, commonly known as SUP, is a light core training just by riding a SUP board! Exercise your body while looking at the vast ocean and sky scenery and feel refreshed! Relieve stress! Enjoy Okinawa's blue ocean by Chill Out + Cruising! If you participate with a large group of friends, you can have a different kind of fun than usual by competing in a SUP balance contest!

• For Rainy Days
• For Groups

• Age 4～Age 100
• 1～2 hours
• 08:00 / 09:00 / 10:00 / 11:00 / 12:00 / 13:00 / 14:00 / 15:00

《June only》If you participate with 2 or more people, you can experience it for 4500 yen per person! Enjoy the blue sea of Miyakojima in the fine weather after the rainy season! Is SUP difficult? Not at all! It's an activity that even beginners can enjoy, and most of the customers who experience it are first-time customers! You may think that you play standing up, but you can enjoy the sea of Miyakojima even if you sit down! During the experience, our staff will take a free photo. The data will be sent by email on the same day after the experience, although it may be late! It's okay if you can't decide on a schedule! Reservations are welcome on the day before and on the day! (Depending on the reservation situation, we may ask you to change the time.) This is a course for those who have been on stand-up paddle boards several times. We lend out snorkel sets for free. How about taking a walk underwater after a walk on the sea? Of course, beginners are welcome. *For beginners, we will first explain how to ride. Drone photography is available! Shooting time (10-15 minutes) Photo plan 3,500 yen (5 photos will be provided) Video plan 4,500 yen (edited into 2-3 minute files and provided) Photo and video set 7,500 yen *Shooting may not be possible on windy or bad weather days.

• Age 3～Age 65
• 4～5 hours
• 13:00

★Over 300,000 participants! A safe and secure tour! ★Recommended for beginners! ★Free photo data, equipment rental, and hot shower♪★Participant benefits (coupons for restaurants, information on hidden spots) included! [Mangrove SUP/Canoe (Kayak)] Enjoy the mangrove forests and the great nature of Iriomote Island, including the Urauchi River, by taking a walk on the water in a SUP or canoe (kayak)! *The best location for the SUP/canoe field will be guided to depending on the wind, tide, and congestion on the day. [Sagaribana Tour] Sagaribana, a summer feature that can only be seen in parts of the Nansei Islands in Japan. It is also called "one-night flower" and blooms at night and fades at dawn...it is truly a phantom flower! [Example schedule for the day of the tour] ①13:00 Uehara Port/Pick up from accommodation (Uehara area only) ↓ ②13:20 Arrive at the field ↓ ③13:30 Activity starts! ↓ ④14:00 Enjoy the SUP/canoe experience. ↓⑤15:00 Activity ends! ↓⑥11:30/15:30 Drop off at Uehara Port/your accommodation. ↓⑦20:00 Pick up at your accommodation (Uehara area only)↓⑧20:15 Arrive at the hanging flower spot! ↓⑨21:00 View the hanging flowers! You can also take photos yourself. ↓⑩21:30 Tour ends! ↓⑪21:45 Drop off at your accommodation. *The schedule is subject to change depending on the weather and tide levels on the day. [Alternative plan in case of cancellation due to bad weather] If the viewing of the hanging flowers is canceled due to the flowering status of the flowers, we can change the content to the "Starry Sky & Jungle Night Tour".

• Pickup Service
• For Rainy Days
• For Groups

• Age 3～Age 59
• 1～2 hours
• 08:00 / 09:00 / 10:00 / 11:00 / 12:00 / 13:00 / 14:00 / 15:00 / 16:00

・Participation is OK from 3 years old! ・One group is reserved! ・For SUP beginners! ・Empty-handed OK! ・Photo and video gifts ・Parking lot & hot water shower & hair dryer available SUP (stand-up paddle board) is a marine activity that originated in Hawaii and is a hot topic in beach resort trips. Just by riding a SUP board, you can train your sense of balance and core strength! Move your body while looking at the vast sea and sky and feel refreshed! Enjoy the crystal clear blue sea of ​​Okinawa with your whole body! Children under elementary school age will ride with a guardian.

• For Rainy Days

• Age 6～Age 59
• 2～3 hours
• 08:50 / 12:30

★This tour is limited to one group and will be guided by a private guide! ★We will take you to a hidden spot in the more remote area of ​​Iriomote Island! ★Your private guide will take a commemorative photo and give you the photo data! ★Equipment rental and hot shower are free ★You can join as a day trip from Ishigaki Island! [Explore the hidden spot "Grand Canyon" on Iriomote Island] A private guide will guide you to the area where you can feel the great nature of the hidden spot "Grand Canyon" on Iriomote Island, where untouched nature remains, and the local guides also recommend it. [Example of the schedule on the day of the tour] ①8:50/12:30 Pick up at Uehara Port/Accommodation (Uehara area only) ↓ ②9:00/12:40 Depart for the field! ↓ ③9:20/13:20 Arrive at the field! ↓ ④9:40/13:20 Get ready and depart by canoe! ↓ ⑤10:10/13:50 Enjoy the hidden spot "Grand Canyon"! ↓ ⑥10:40/14:20 Depart "Grand Canyon"! ↓⑦11:10/14:50 Arrive in the car you came in with! ↓⑧11:30/15:10 Depart for our office with showers! ↓⑨12:00/15:40 Use the shower (free)↓⑩12:20/15:60 We will send you to Uehara Port/your accommodation. *The schedule may change depending on the weather and tide on the day.

• Recommendation for Foreigner
• Pickup Service
• For Rainy Days
• For Groups

• Age 10～Age 70
• 1～2 hours
• 10:00 / 13:00 / 14:00

This is a SUP experience tour at Itamuro Dam Lake, located very close to Nasu Highlands. Beginners are welcome! Come and spend a pleasant holiday♪ *The number of times and the time of the tours differ between the regular season and the high season. [Regular season] ◆ Period June 1st to July 31st, September 1st to 30th Morning session (10:00), afternoon session (13:00) Twice a day [High season] ◆ Period August 1st to August 31st Morning session (10:00), afternoon session (14:00) Twice a day *If you are late, we may not be able to accept your request. Please be punctual.

• With Pets
• For Rainy Days
• For Groups

• Age 6～Age 70
• Over 6 hours on the day
• 09:00

Canyoning for Sea kayak, mangrove Kayak, shower Climbing At the basin that I arrived at, I swam and jumped in and floated. There is no other course where you can play so much in one field. If you want to experience the jungle of Oku-Iriomote, this course is for you!

• Pickup Service
• For Rainy Days

• Age 3～Age 70
• 2～3 hours
• 06:00 / 16:00

This is a shared boat for fishing for horse mackerel. Although it is a shared trip, we will make sure everyone has a good time together, so by the end of the trip, everyone will be friends♪ The captain and fishing professional will give a lecture, so even if you don't know how to fish, you can board the boat with confidence. The course times are the recommended times. We are available 24 hours a day, even outside of the times listed. If you have a preferred departure time, please fill it in when you make your reservation. We will also introduce you to a restaurant that will cook the fish you catch!! You can enjoy it even after catching it!! *The facility is locked and only authorized personnel are allowed inside, so it is a private space.

• For Rainy Days

• Age 6～Age 100
• 2～3 hours

Have you ever seen the sun blazing red from the horizon? It is a tour to enjoy the sunrise and the ever-changing sky pattern coming out of the horizon. This tour is based on the concept of putting yourself in a beautiful scenery and enjoying the nature and scenery while enjoying the sight.

• Pickup Service
• With Pets

• Age 3～Age 70
• Within 1 hour
• 17:30

The "Sunset Jet Ski Tour" is a luxurious experience of riding a jet ski to Uni Beach at dusk. It takes just 5 minutes to reach your destination and enjoy the beautiful sunset. Drinks are provided as refreshments during the tour, allowing you to enjoy a comfortable cruise. In addition, a photo shoot by professional staff is included in the plan, allowing you to commemorate memorable moments. This tour is perfect for couples and families looking for a special experience or a romantic time. The jet ski experience while feeling the wind and the sunset at your back will be a wonderful memory that will stay with you forever. Let's forget about everyday life and have a fun time with this plan that you can easily participate in.

• Age 2～Age 99
• 1～2 hours
• 13:30 / 16:00

★A completely private space with a private guide plan★ With a group of 8 or more people, the tour will be privately guided. Tour images will be given as a gift! Admission to the exhibition room that your children will love is included! ■Great discount service┗Great WEB discounts all year round! 300 yen off (all year round, cannot be used in combination) ┗ 500 yen off during summer vacation (available for certain periods, cannot be used in combination) ┗ 14% off "group discount" for 4 or more people (available for certain periods, cannot be used in combination) ┗ One child is free and half price for every two high school students or older (available for certain periods, cannot be used in combination) ■ Great free services ┗ Tour photos (data) as a gift ┗ Sandals, hats, windbreakers, waterproof pants rental ┗ Environmentally friendly sunscreen (sponsored by Kao) ┗ Hisa River Nature Experience Center: Viewing the exhibition room ┗ Hot water shower (shampoo, body soap) 5 rooms each for men and women ┗ Parking lot ■ Abundant rental items and comfortable facilities ┗ A wide range of free rental goods for both adults and children ┗ A wide variety of colors for life jackets, sandals, windbreakers, hats, etc. ┗ The new facility opened in April 2022 is the meeting place ┗ All use is free! Changing rooms and hot water shower rooms are available! ┗Fully prepared: coin lockers, hair dryer, shampoo, body soap ■Mangrove Kayaking┗Beginners are welcome! Start with paddling practice. ┗We will give you a thorough lecture on how to hold the paddle, how to row, how to turn, etc.┗We will also teach you how to ride the kayak and what to watch out for. ┗You can rest assured because a guide who is a certified water rescuer will lead the tour! ■Plan flow 1. Meeting and reception 2. View the exhibition room and theater and receive an explanation of the Hisa River 3. Preparation (putting on a life jacket, etc.) 4. Land lesson with the guide (paddle practice) 5. Tour starts: 70 minutes (commemorative photo included) 6. End of tour 7. Digital photos taken by the guide are given to you 8. After changing clothes, disband without leaving anything behind ■Belongings: change of clothes, towel ■We protect Okinawa's nature through environmental conservation activities. ┗Okinawa Prefecture Governor Certified Conservation Use Agreement Store┗Okinawa SDGs Partner└OKINAWA SDGs Project Participating Store┗Montbell Friend Shop┗Japan Recreational Canoe Association (JRCA) Certified Store

• With Pets
• For Rainy Days
• For Groups

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

A very popular activity! Experience a SUP (stand up paddle board) cruise on Lake Biwa, the largest lake in Japan. The destination is the large torii gate of Shirahige Shrine on the lake. Features: You can see the large torii gate of Shirahige Shrine up close. You can take a commemorative photo with the large torii gate in the background. The experience lasts a long time! You can ride the SUP firmly. The water is crystal clear and clean. You can enjoy it because there is a destination. There are not many SUP spots that meet such perfect conditions! And above all, it is a cruise of just under 1.5 kilometers one way, aiming for the large torii gate of Shirahige Shrine that stands tall on the lake! The sense of accomplishment after the end is amazing! ※【Please make sure to read the last "Notes" before making a reservation】※Reservation required※Children (3-8 years old accompanied by a guardian, 9 years old and over alone) can also experience♪※Dogs can ride with you♪ (Please bring a dog life jacket)※Small to large groups and groups are available～Experience flow～① Reception "Ukawa Farm Mart" is the landmark. If you are coming by car, you can use the parking lot. There are also changing rooms and lockers with keys, so please change your clothes and come to the reception 5 minutes before. ↓② Land explanation Before getting on the SUP on the lake, the instructor will explain how to ride the SUP, how to use the paddle and your body, and the course on land. ↓③ Departure! We actually get on the SUP on the water and practice how to row while setting off for Shirahige Shrine and the large torii gate. ↓④ Arrive at the large torii gate of Shirahige Shrine! Commemorative photo! Perfect for Instagram! Commemorative photo in front of the large torii gate that stands tall on the mysterious Lake Biwa! The instructor will take lots of photos during the experience and send them to you later via LINE ♪↓⑦ Goal! We arrived safely at Ukawa Farm Mart! We washed our feet, changed our clothes, and the experience ended. Thank you for your hard work! 《Caution》⭐︎Please be sure to prepare a drink. ⭐︎Due to sudden bad weather, we may cancel the tour at short notice, even before the tour starts or during the tour, for the safety of our customers. Please understand. ⭐︎Please be sure to arrive on time for the experience. If you are late, you will not be able to experience the experience. (It will be treated as a cancellation on the day and the cancellation fee will be 100%) ⭐︎Please be sure to register a phone number and email address where you can be contacted, as the tour may be canceled due to bad weather. If we are unable to contact you to cancel and you come to the venue, the tour will not be held. ⭐︎When we contact you to cancel due to bad weather, we ask that you do not force us to hold the tour.

• Pickup Service
• With Pets
• For Groups

• Age 12～Age 70
• Over 6 hours on the day
• 09:00

Travel is a Sea kayak only sea trip tour. Mizuochi Falls, which is rare on Iriomote Island and falls directly onto the river. Kayak thrill of plunging into a waterfall while riding a kayak is like an attraction! After playing at the waterfall, lunch and snorkel at Ida's beach, which is said to be the most beautiful beach in Iriomote. Kayak is a charming course where you can kayak, snorkel and experience greed.

• Pickup Service
• For Rainy Days

• Age 3～Age 70
• 4～5 hours
• 09:00 / 13:00

half-day those who are not confident in their physical strength, those half-day on the sea or for a drive, etc., this tour is perfect for you! We will respond to your request as much as possible! (Course example) Pinaisara Waterfall Canoe Tour, Limestone Cave Caving & Coola Waterfall Trekking Tour, Geta Waterfall Sawa Climbing Tour, Omi Xie Waterfall Canyoning Tour

• Pickup Service
• For Rainy Days
• For Groups

• Age 6～Age 70
• Over 6 hours on the day
• 09:00

Speaking of Iriomote Island, this tour is the first! A mangrove canoe, a 55-meter waterfall looking up from the basin, and a spectacular view of the waterfall overlooking the blue lapis lazuli sea. This is the most popular tour that is packed with the charm of Iriomote Island. All shoes and bags will be rented, so you can participate empty-handed!

• Pickup Service
• For Rainy Days
• For Groups

• Age 3～Age 80
• 2～3 hours

You may catch as many fish as you have hooks, up to 5 fish in one go!!! It's so much fun!!! The course times are the recommended times. We are available 24 hours a day even if the times are not listed. If you have a preferred departure time, please write it down when you make a reservation. Don't worry, our captain and fishing pro, born in the Heisei era, loves comedy♪, will support you on how to fish and more♪ We will also introduce you to a restaurant where you can enjoy the fish you caught, so you can enjoy it even after catching it!! *The facility is locked and only authorized personnel are allowed inside, so it is a private space!

• Age 3～Age 70
• 1～2 hours
• 05:00 / 16:00

Once you receive a lecture and get the hang of it, you can easily catch black porgy. There are fishing spots right off the harbor, so even those who are worried about seasickness can rest assured. We are available 24 hours a day. If you have a preferred departure time, please fill it in when you make your reservation. If necessary, we can introduce you to a restaurant that will cook the fish you catch!! You can also enjoy it after catching it!! *The facility is locked and only authorized personnel are allowed inside, so it is a private space!

• For Rainy Days

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

Recommended sports this summer! !! SUP is a new water sport where you stand on a buoyant board on the surface of the water and paddle (all).

• Age 13～Age 65
• 2～3 hours
• 10:00 / 10:30 / 13:30 / 14:00

What is reverb boogie? In short, it is a river version body board. Lie down on a large, air-filled boogie board, put fins on your feet, and surf in various places on the river. The content will change. Because the water surface is close, it is powerful! This is a popular tour that is difficult to book!

• For Rainy Days

• Age 7～Age 80
• 2～3 hours
• 09:30 / 13:00

It's a bit uneasy to experience the full day in the first day ... half-day For those who can only get time, a short time Sea kayak It is an experience plan. The goal is to first enjoy the joy of floating in the ocean while doing simple paddle training.

• For Rainy Days

• Age 16～Age 70
• 2～3 hours
• 09:00 / 13:00

It is a tour to perform SUP at Nokanan Lake in front of the Sorachi River dam. The flow of the river is very slow, so even beginners can enjoy it. You can experience SUP in a quiet lake where tours other than Flying Dolphins are not carried out. It will be a tour that even beginners can enjoy. This summer's favorite play ♪ ♪ ♪

• Age 7～Age 80
• Over 6 hours on the day
• 05:00

For those who have never fished before! We will give you a gentle lecture! We can teach you how to hold a fishing rod, how to cast, and lure action. Recommended for those who want to try lure casting to catch bonito, tuna, mahi-mahi, etc. in the Enshu Nada Sea! We will also give you advice on rules, etiquette, practice, and how to enjoy fishing before you start. For first-timers, we will give a thorough lecture before boarding the boat, so please feel free to join us! We will also give a lecture on casting! Let's aim for tuna and bonito ♪

• With Pets
• For Rainy Days

• Age 6～Age 90
• 1～2 hours
• 05:00 / 07:00 / 09:00 / 11:00 / 14:00 / 16:00

It is a canoeing experience on the Arekinai River, a tributary that flows through the Kushiro Marsh. The meeting place is JR Senmo Line, in front of Toro Station. The course starts from a lake called Lake Toro, goes to the Arekinai River, goes to the main stream of the Kushiro River, goes up the Arekinai River by canoe, and returns to Lake Toro. Because it is a calm river, you can go up the river, and even those who are new to canoeing can experience it with peace of mind. The river does not freeze even in winter, so you can experience canoeing throughout the year. The scenery that changes according to the season, and the Yezo deer, white-tailed eagles, and red-crowned cranes that you can meet if your timing and luck are good are also highlights. Of course, the guide will ride with you, so please leave the operation of the canoe to us. You can also do a half-day course combined with an observation deck tour! 〜Flow of the experience〜 (For the 7:00 course) 7:00 Meet in front of JR Senmo Line Toro Station Please be at Toro Station at the start time of the tour. (If you are late, please contact us.) After meeting, go to the toilet at Toro Station and move to the starting point, Lake Toro. 7:10 Reception at Lake Toro, luggage guidance, safety talk reception, luggage guidance, safety explanation for canoeing. 7:30 Departure! When you're ready, let's go! If you wish, we will also take a commemorative photo here during the experience. 8:30 Goal! Since it is a round trip, the goal is Lake Toro, which is the same as the starting point. Once you get off the canoe, you will be disbanded after taking pictures.

• For Rainy Days

• Age 0～Age 100
• 1～2 hours
• 08:30 / 10:00 / 12:00 / 14:00 / 15:30

This is a 60-minute rental plan for the Mirage iTrek Fiesta, a large kayak that can be ridden by friends and family. The Mirage iTrek Fiesta is a kayak equipped with HOBIE's unique foot-pedaling system called Mirage Drive, which allows you to move faster and easier than rowing with an oar! Even beginners can easily ride it, and there is no need to worry about capsizing! Small children (under 130 cm tall) and pets and dogs are also welcome to ride! (Charged) In addition, there is basically little risk of getting wet, but please come in clothes that are easy to move in and that you don't mind getting dirty. *The event will be held if it is only light rain, so if rain is expected, please bring rain gear. Have a party on the lake with the seats facing each other, have a picnic with lunch and snacks, stretch your legs and relax, and enjoy the lake freely in the great outdoors!

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

• Age 3～Age 80
• 1～2 hours
• 08:30 / 10:00 / 12:00 / 14:00 / 15:30

This is a 60-minute rental plan for the single-seater kayak "Mirage Passport / Mirage Compass", which is recommended for beginners. The Mirage Passport/Mirage Compass is a single-seat kayak equipped with Hobie's unique pedaling system called Mirage Drive, which makes it easier than paddle with oars. You can go fast! Even beginners can easily ride it without worrying about overturning! Riding with your dog is also OK! (Charged) Also, there is basically no need to worry about getting wet, but please come in clothes that you don't mind getting dirty and are easy to move around in. *If it rains lightly, the event will be held, so please bring rain gear if rain is expected. Have a picnic with lunch and sweets, stretch your legs and relax, take pictures with Mt. Fuji, and enjoy the lake freely in the great outdoors!

• With Pets
• For Rainy Days
• For Groups

• Age 4～Age 70
• 3～4 hours /4～5 hours
• 08:30 / 13:00

☆彡 Introducing a popular marine activity plan for a private group tour♪☆彡 Enjoy the blue sea of Okinawa with just your friends! You can enjoy two types of tours, snorkeling and SUP tours, as much as you like for as long as you like in this "all-you-can-play" style! What's more, it's a flat rate of 44,000 yen for up to 4 people, and for 5 or more people, you can add an additional 5,500 yen per person! So, even large groups can participate at a great price♪ Furthermore, for those who want to play more actively... you can add jet skiing and marbles as an option for 16,500 yen! You can also try diving for an additional 3,300 yen! It's OK even if you don't want to do everything! You can participate in each activity on the same boat, so it's a tour that everyone can enjoy, whether it's a student trip, a company trip, or a large group. After playing a lot, take a break on the cruise ship♪ After-drink service such as cola and Okinawa-only juices is available for review submissions! You can rent an action camera (2,200 yen) for unlimited video recording! Forget about your daily routine and enjoy a blissful moment while feeling the Okinawan breeze!

• For Rainy Days
• For Groups

• Age 4～Age 70
• 3～4 hours /4～5 hours
• 08:30

☆彡 Introducing a popular marine activity plan for a private group tour♪☆彡 Enjoy the blue sea of Okinawa with just your friends! You can enjoy two types of tours, snorkeling and SUP tours, as much as you like for as long as you like in this "all-you-can-play" style! What's more, it's a flat rate of 44,000 yen for up to 4 people, and for 5 or more people, you can add an additional 5,500 yen per person! So, even large groups can participate at a great price♪ Furthermore, for those who want to play more actively... you can add jet skiing and marbles as an option for 16,500 yen! You can also try diving for an additional 3,300 yen! It's OK even if you don't want to do everything! You can participate in each activity on the same boat, so it's a tour that everyone can enjoy, whether it's a student trip, a company trip, or a large group. After playing a lot, take a break on the cruise ship♪ After-drink service such as cola and Okinawa-only juices is available for review submissions! You can rent an action camera (2,200 yen) for unlimited video recording! Forget about your daily routine and enjoy a blissful moment while feeling the Okinawan breeze!

• For Rainy Days
• For Groups

• Age 4～Age 70
• 3～4 hours /4～5 hours
• 08:30

☆彡 Introducing a popular marine activity plan for a private group tour♪☆彡 Enjoy the blue sea of Okinawa with just your friends! You can enjoy two types of tours, snorkeling and SUP tours, as much as you like for as long as you like in this "all-you-can-play" style! What's more, it's a flat rate of 44,000 yen for up to 4 people, and for 5 or more people, you can add an additional 5,500 yen per person! So, even large groups can participate at a great price♪ Furthermore, for those who want to play more actively... you can add jet skiing and marbles as an option for 16,500 yen! You can also try diving for an additional 3,300 yen! It's OK even if you don't want to do everything! You can participate in each activity on the same boat, so it's a tour that everyone can enjoy, whether it's a student trip, a company trip, or a large group. After playing a lot, take a break on the cruise ship♪ After-drink service such as cola and Okinawa-only juices is available for review submissions! You can rent an action camera (2,200 yen) for unlimited video recording! Forget about your daily routine and enjoy a blissful moment while feeling the Okinawan breeze!

• For Rainy Days
• For Groups