For those who wish to avoid crowds and enjoy a relaxing time in clean river waters. RiverJoy offers rafting tours on the Katashina River flowing through Numata City and the Oigami Onsen area in Gunma. Enjoy the clear waters leisurely with your family or friends in a peaceful setting. It is also an ideal stop during trips to and from the Oze area, combining your visit to the hot springs with nature exploration. Downriver rafting on the clean waters of the Katashina River in Gunma. This tour offers a balanced mix of safe outdoor recreation suitable for ages 4 and up, along with exciting river rapids that adults can enjoy.

Only valid on the date you pick, so please double-check before booking.

Rafting

Canyoning adventure suitable from age 5. With thorough safety management throughout the course, families with young children can participate with peace of mind. Experienced guides accompany the tour to support children as they take on challenges while connecting with nature. We also emphasize water safety awareness, helping both children and parents understand river dynamics and the proper use of life jackets through direct experience. Explore and adventure through natural canyons. The entire route is designed as an adventure without long walking transfers. The tour includes diverse activities such as jumping from rock cliffs, sliding down natural water chutes, and crossing river sections with ropes, providing rewarding moments for children as they overcome challenges.

Canyoning

SUP Experience at River Joy Stand Up Paddleboarding (SUP) is now available at River Joy! Enjoy a relaxing experience on calm river waters suitable for beginners. Experienced paddlers can also try riding the river waves. A guided tour where you can stand on the board and glide across the water. Downriver tours are also available upon request.

Stand Up Paddleboarding (SUP)

Special Packrafting Tour by RiverJoy. Unlike standard multi-person rafting, this activity lets you steer a single-person inflatable packraft. Experience the excitement of river running with ease. Skilled guides provide safety briefings and paddling instruction and remain by your side throughout the trip. Navigate the river in your own single-seater boat. With dedicated instructors accompanying you, you can enjoy the descent with confidence. Highly recommended for outdoor enthusiasts seeking an engaging and active water experience.

Packrafting

For those who want to avoid the crowds of Minakami and enjoy a relaxing time on a safe and clean river. RiverJoy's Gunma rafting tours are held on the Katashina River, which flows through the Numata City/Oigami Onsen area. RiverJoy is the only company offering rafting tours on the Katashina River. Enjoy the crystalclear river with your family and friends without worrying about other boats. Also perfect for families who want to enjoy river activities on their way to or from a trip to the Oze area. Combine your trip with rafting in nature on the Katashina River in the Oigami Onsen area.

Gunma

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Gunma, Japan

River Joy Gunma

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Next Available Date: Sun, 04 Oct 2026

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River Joy Gunma

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Available Ticket(s) for You

Rafting

THB 2,771.20

Canyoning

THB 3,197.54

Stand Up Paddleboarding (SUP)

THB 3,197.54

Packrafting

THB 3,197.54

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