Nature & Activities
- River / Lake
- Tanada
- Giant & Famous Trees
- Climbing
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【Rafting】【Kayak】【SUP】【Canyoning】【Shower climbing】【Sameura Dam】
Rafting on the Yoshino River
The Yoshino River, known as one of Japan’s top rafting spots and affectionately nicknamed “Shikoku Saburo” (“Saburo” being a traditional name for a third son), features thrilling rapids and once hosted the World Rafting Championships.
While the whitewater offers plenty of excitement, the stunning river valleys provide a calming contrast. Some courses pass directly beneath Sameura Dam, and thanks to gentler currents, they’re perfect for families with children or even dogs.
Courses are available for participants as young as elementary school age. Please check with each operator about age requirements and experience levels when booking.
【Rafting】【Kayak】【SUP】【Canyoning】【Shower climbing】【Sameura Dam】
Happy Raft
Tel
Tel: 0887-75-0500
Intl Tel: +81-887-75-0500
Hours
8:00 AM – 6:00 PM
Closed
Open by reservation only during the winter season
Activities
- Whitewater rafting
- Packrafting
- Family rafting
Address
221-1 Ikadagi, Otoyo-cho, Nagaoka-gun, Kochi, Japan
Parking
40 standard vehicles, 5 buses
Access
Approx. 21 minutes by car from Otoyo IC
TOPS
Tel
Tel: 0887-75-0500
Intl Tel: +81-887-75-0500
Alternate: +81-90-2824-2548
Hours
9:00 AM – 5:00 PM
Closed
No regular holidays from April to October
Closed from November to February (available in March upon request)
Activities
- Outdoor adventure programs (details vary)
Address
1-3 Okubo, Otoyo-cho, Nagaoka-gun, Kochi, Japan
Parking
6 standard vehicles
Access
Approx. 20 minutes by car from Otoyo IC
Lucky Raft
Tel
Tel: 0887-72-0235
Intl Tel: +81-887-72-0235
Hours
8:00 AM – 8:00 PM
Closed
Open by reservation only during the winter season
Activities
- Whitewater rafting
- Family rafting
Address
2050-43 Kawaguchi, Otoyo-cho, Nagaoka-gun, Kochi, Japan
Parking
15 standard vehicles, 1 microbus
Access
Approx. 2 minutes by car from Otoyo IC
Others
Available for participants aged first grade and up
BIGSMILE
Tel
Tel: 0771-29-5370
Intl Tel: +81-771-29-5370
Hours
10:00 AM – 5:00 PM
Closed
Closed from late October to late March
Activities
- Whitewater rafting
Address
34-1 Tobinoishi, Kawado, Otoyo-cho, Nagaoka-gun, Kochi, Japan
Parking
30 standard vehicles
Access
Approx. 14 minutes by car from Otoyo IC
River Run Plus (Galbanzo)
Tel
Tel: 0887-73-1737
Intl Tel: +81-887-73-1737
Cell Phone: 090-7578-6330
Cell Phone Intl: +81-90-7578-6330
Hours
8:00 AM – 9:00 PM
Closed
Closed from December to late February
Activities
- Whitewater rafting
- Nature-based river
- experiences
Address
1 Nishidoi, Otoyo-cho, Nagaoka-gun, Kochi, Japan
Parking
Available (details on website)
Access
Approx. 15 minutes by car from Otoyo IC
You Me Rafting
Tel
Tel: 0887-75-0520
Intl Tel: +81-887-75-0520
Hours
8:00 AM – 8:00 PM
Closed
Open by reservation only during the winter season
Activities
- Whitewater rafting
- Family rafting
Address
6-1 Nagabuchi, Otoyo-cho, Nagaoka-gun, Kochi, Japan
Parking
20 standard vehicles
Access
Approx. 10 minutes by car from Otoyo IC
Rio Bravo
Tel
Tel: 0887-73-1222
Intl Tel: +81-887-73-1222
Hours
8:00 AM – 7:00 PM
Closed
Closed from late November to late February
Activities
- Whitewater rafting
- Family rafting
Address
14 Isodani, Otoyo-cho, Nagaoka-gun, Kochi, Japan
Parking
10 standard vehicles, plus secondary lot for 3–4 large vehicles
Access
Approx. 10 minutes by car from Otoyo IC
The Blue Earth
Tel
Tel: 090-7765-4524
Intl Tel: +81-90-7765-4524
Hours
8:00 AM – 6:00 PM
(Phone Hours: 6:00 AM – 9:00 PM)
Closed
Please consult for availability during the winter season
Activities
- Whitewater rafting
- Small-group private tours
Address
382-4 Nagabuchi, Otoyo-cho, Nagaoka-gun, Kochi, Japan
Parking
4 standard vehicles
Access
Approx. 18 minutes by car from Otoyo IC
Others
- Flexible start times available for private groups
- Free GoPro photos included
River People
Tel
Tel: 080-6284-8656
Intl Tel: +81-80-6284-8656
Hours
8:00 AM – 7:00 PM
Closed
Operates during July, August, and September only
Activities
- Family-friendly rafting
- Seasonal river adventures
Address
236-3 Terauchi, Otoyo-cho, Nagaoka-gun, Kochi, Japan
Parking
8 standard vehicles
Access
Approx. 15 minutes by car from Otoyo IC
Others
- Great for families with kids
- A cozy café is located nearby
Montbell Outdoor Village Motoyama
Tel
Tel: 0887-72-9670
Intl Tel: +81-887-72-9670
Hours
9:00 AM – 6:00 PM
Closed
Closed from December to late March
Activities
- Whitewater rafting
- Dog-friendly rafting plans
Address
2133-1 Motoyama, Motoyama-cho, Nagaoka-gun, Kochi, Japan
Parking
Please use the designated parking lot at Montbell Outdoor Village Motoyama
Access
Approx. 13 minutes by car from Otoyo IC
Others
Enjoy rafting with your dog on special pet-friendly plans
Kayaking
Hop into a kayak and enjoy water sports on scenic rivers like the Yoshino River in Kochi Prefecture, one of Shikoku’s natural gems.
These activities take place on calm, slow-moving water, making them perfect for beginners and anyone looking for a relaxing, worry-free adventure.
【Rafting】【Kayak】【SUP】【Canyoning】【Shower climbing】【Sameura Dam】
River SUP SORAMIL
Tel
Tel: 080-1990-1992
Intl Tel: +81-80-1990-1992
Hours
April 1 – November 30:
1)9:00 AM – 12:00 PM
2)1:00 PM – 4:00 PM
December 1 – March 31:
1)9:00 AM – 12:00 PM
Closed
Not specified
Activities
- River stand-up paddleboarding (SUP)
Address
47 Jike, Motoyama-cho, Nagaoka-gun, Kochi, Japan
Parking
Not specified
Access
Approx. 20 minutes by car from Otoyo IC
Montbell Outdoor Village Motoyama
Tel
Tel: 0887-72-9670
Intl Tel: +81-887-72-9670
Hours
9:00 AM – 6:00 PM
Closed
Closed from December to late March
Activities
- Whitewater rafting
- Dog-friendly rafting plans
Address
2133-1 Motoyama, Motoyama-cho, Nagaoka-gun, Kochi, Japan
Parking:
Please use the designated parking lot at Montbell Outdoor Village Motoyama
Access
Approx. 13 minutes by car from Otoyo IC
Others
Enjoy rafting with your dog on special pet-friendly plans
Lucky Raft
Tel
Tel: 0887-72-0235
Intl Tel: +81-887-72-0235
Hours
8:00 AM – 8:00 PM
Closed
Open by reservation only during the winter season
Activities
- Whitewater rafting
- Family-friendly river tours
Address
2050-43 Kawaguchi, Otoyo-cho, Nagaoka-gun, Kochi, Japan
Parking
15 standard vehicles, 1 microbus
Access
Approx. 2 minutes by car from Otoyo IC
Others
Open to participants from first grade and up
You Me Rafting
Tel
Tel: 0887-75-0920
Intl Tel: +81-887-75-0920
Hours
8:00 AM – 8:00 PM
Closed
Open by reservation only during the winter season
Activities
- Whitewater rafting
- Family rafting
Address
6-1 Nagabuchi, Otoyo-cho, Nagaoka-gun, Kochi, Japan
Parking
20 standard vehicles
Access
Approx. 10 minutes by car from Otoyo IC
The Blue Earth
Tel
Tel: 090-7765-4524
Intl Tel: +81-90-7765-4524
Hours
8:00 AM – 6:00 PM
(Phone Hours: 6:00 AM – 9:00 PM)
Closed
Please consult for availability during the winter season
Activities
- Whitewater rafting
- Private group tours
Address
382-4 Nagabuchi, Otoyo-cho, Nagaoka-gun, Kochi, Japan
Parking
4 standard vehicles
Access
Approx. 18 minutes by car from Otoyo IC
Others
- Flexible scheduling available for private groups
- Free GoPro action photos included
SUP (Stand-Up Paddling)
Hop onto a stand-up paddleboard and glide across the gentle waters of scenic rivers like the Yoshino River in Kochi Prefecture.
SUP takes you through calm sections of the river, making it easy and fun for beginners and even elementary school kids to join with confidence.
【Rafting】【Kayak】【SUP】【Canyoning】【Shower climbing】【Sameura Dam】
River SUP SORAMIL
Tel
Tel: 080-1990-1992
Intl Tel: +81-80-1990-1992
Hours
April 1 – November 30:
1)9:00 AM – 12:00 PM
2)1:00 PM – 4:00 PM
December 1 – March 31:
1)9:00 AM – 12:00 PM
Closed
Not specified
Activities
- River stand-up paddleboarding (SUP)
Address
47 Jike, Motoyama-cho, Nagaoka-gun, Kochi, Japan
Parking
Not specified
Access
Approx. 20 minutes by car from Otoyo IC
River Run Plus (Galbanzo)
Tel
Tel: 0887-73-1737
Intl Tel: +81-887-73-1737
Cell Phone: 090-7578-6330
Cell Phone Intl: +81-90-7578-6330
Hours
8:00 AM – 9:00 PM
Closed
Closed from December to late February
Activities
- Whitewater rafting
- Nature-based river
- experiences
Address
1 Nishidoi, Otoyo-cho, Nagaoka-gun, Kochi, Japan
Parking
Available (details on website)
Access
Approx. 15 minutes by car from Otoyo IC
Montbell Outdoor Village Motoyama
Tel
Tel: 0887-72-9670
Intl Tel: +81-887-72-9670
Hours
9:00 AM – 6:00 PM
Closed
Closed from December to late March
Address
2133-1 Motoyama, Motoyama-cho, Nagaoka-gun, Kochi, Japan
Parking:
Please use the designated parking lot at Montbell Outdoor Village Motoyama
Access
Approx. 13 minutes by car from Otoyo IC
Others
Enjoy rafting with your dog on special pet-friendly plans
Lucky Raft
Tel
Tel: 0887-72-0235
Intl Tel: +81-887-72-0235
Hours
8:00 AM – 8:00 PM
Closed
Open by reservation only during the winter season
Address
2050-43 Kawaguchi, Otoyo-cho, Nagaoka-gun, Kochi, Japan
Parking
15 standard vehicles, 1 microbus
Access
Approx. 2 minutes by car from Otoyo IC
Others
Open to participants from first grade and up
TOPS
Tel
Tel: 0887-75-0500
Intl Tel: +81-887-75-0500
Alternate: +81-90-2824-2548
Hours
9:00 AM – 5:00 PM
Closed
No regular holidays from April to October
Closed from November to February (available in March upon request)
Activities
- Outdoor adventure programs (details vary)
Address
1-3 Okubo, Otoyo-cho, Nagaoka-gun, Kochi, Japan
Parking
6 standard vehicles
Access
Approx. 20 minutes by car from Otoyo IC
Shirataki-no-Sato
Tel
Tel: 0887-84-2201
Intl Tel: +81-887-84-2201
Hours
8:30 AM – 5:00 PM
Closed
Closed during the New Year's holiday and on national holidays
Activities
- Nature and cultural experiences (details on website)
Address
26 Asatani, Okawa-mura, Tosa-gun, Kochi, Japan
Parking
Please use the designated parking lot at Shirataki-no-Sato
Access
Approx. 58 minutes by car from Otoyo IC
Others
For pricing and activity details, please visit the operator's website
Canyoning
Canyoning is an exhilarating way to explore mountain streams—slide down natural rock chutes, swim in crystal-clear pools, and leap from boulders into the water below.
Follow your guide to hidden spots deep in nature and enjoy an unforgettable outdoor adventure!
【Rafting】【Kayak】【SUP】【Canyoning】【Shower climbing】【Sameura Dam】
Happy Raft
Tel
Tel: 0887-75-0500
Intl Tel: +81-887-75-0500
Hours
8:00 AM – 6:00 PM
Closed
Open by reservation only during the winter season
Address
221-1 Ikadagi, Otoyo-cho, Nagaoka-gun, Kochi, Japan
Parking
40 standard vehicles, 5 buses
Access
Approx. 21 minutes by car from Otoyo IC
Others
Overnight accommodation is also available
- Happy Guest House
- Takamotoya
- Guest House Aruse
Shower climbing
Shower climbing is a thrilling activity where you climb up streams and scramble over wet rocks as the water rushes around you.
Courses range from beginner-friendly routes perfect for families to more adventurous ones for thrill seekers. There’s nothing quite like the sense of achievement when you reach the top!
【Rafting】【Kayak】【SUP】【Canyoning】【Shower climbing】【Sameura Dam】
Montbell Outdoor Village Motoyama
Tel
Tel: 0887-72-9670
Intl Tel: +81-887-72-9670
Hours
9:00 AM – 6:00 PM
Closed
Closed from December to late March
Address
2133-1 Motoyama, Motoyama-cho, Nagaoka-gun, Kochi, Japan
Parking:
Please use the designated parking lot at Montbell Outdoor Village Motoyama
Access
Approx. 13 minutes by car from Otoyo IC
Others
Enjoy rafting with your dog on special pet-friendly plans
Ishihara Shower Climbing
Tel
Tel: 0887-72-9328
Intl Tel: +81-887-72-9328
Hours
9:00 AM – 5:00 PM
Closed
Closed outside the activity season (May to September)
Activities
- Shower climbing (May to September)
Address
1228 Nishi-ishihara, Tosa-cho, Tosa-gun, Kochi, Japan
Parking
Please use the parking lot at the Ishihara Community Center
Access
Approx. 35 minutes by car from Otoyo IC
Others:
Available for participants of elementary school age and older
Rental gear: helmets, life jackets, wetsuits, and water shoes
Sameura Dam
A must-see when visiting Tosa Reihoku, the Sameura Dam is a massive structure that plays a vital role in protecting Shikoku.
As the largest-capacity multipurpose dam in western Japan, it has been the core of water resource management for the Yoshino River system since operations began in April 1975.
The dam helps prevent flooding, regulates river flow, supplies water, and generates electricity—earning it the nickname “Shikoku’s water barrel” for its essential support of daily life and industry.
The lake’s surface reflects stunning seasonal scenery, and the area is popular for bass fishing, water sports, and more.
Local events such as the Yamabiko Carnival (December) and the Sameura no Sato Lakeside Trail Race (November) also take place nearby.
【Rafting】【Kayak】【SUP】【Canyoning】【Shower climbing】【Sameura Dam】
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Tanada (Terraced Rice Fields)
The Tosa Reihoku region is home to many tanada, or terraced rice fields. These traditional landscapes are rare in Japan and attract visitors from around the world.
One of the best viewpoints is the Tanada Observation Deck in Oishi, Motoyama, known for cultivating Tosa Tenku no Sato, a premium rice variety that has twice been awarded as the best rice in Japan. From here, you can enjoy a sweeping view of terraced fields that have remained virtually unchanged since the Yayoi period—over 2,300 years ago.
Ananai Tanada
Address
Ananai, Otoyo-cho, Nagaoka-gun, Kochi, Japan
Tel
Tel:0887-72-0450
Intl Tel: +81-887-72-0450
(Otoyo Tourism Development Association)
Yone / Nuta Tanada
Address
427 Yone, Otoyo-cho, Nagaoka-gun, Kochi, Japan
Tel
Tel:0887-72-0450
Intl Tel: +81-887-72-0450
(Otoyo Tourism Development Association)
Yoshinobu Tanada
Address
Address:Yoshinobu, Motoyama-cho, Nagaoka-gun, Kochi, Japan
Tel
Tel: 0887-76-3915
Intl Tel: +81-887-76-3915
(Motoyama Development Promotion Department)
Oishi Tanada
Address
Oishi, Motoyama-cho, Nagaoka-gun, Kochi, Japan
Tel
Tel: 0887-76-3915
Intl Tel: +81-887-76-3915
(Motoyama Development Promotion Department)
Takasu Tanada
Address
Takasu, Tosa-cho, Tosa-gun, Kochi, Japan
Tel
Tel:0887-70-9820
Intl Tel: +81-0887-70-9820
(Reihoku NPO)
Nurui Tanada
Address
Nurui, Tosa-cho, Tosa-gun, Kochi, Japan
Tel
Tel:0887-70-9820
Intl Tel: +81-0887-70-9820
(Reihoku NPO)
Tatewari Tanada
Address
Jizoji, Tosa-cho, Tosa-gun, Kochi, Japan
Tel
Tel:0887-70-9820
Intl Tel: +81-0887-70-9820
(Reihoku NPO)
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Giant and Famous Trees
Kochi Prefecture has the largest forested area in all of Japan, and the Tosa Reihoku region is no exception. Blessed with rich, untouched nature, the area is dotted with majestic giant trees and culturally significant old-growth trees, each with its own story and character.
Sugi no Osugi
Tel
Tel:0887-72-1585
Intl Tel: +81-887-72-1585
(Sugi no Osugi Admission Office)
Hours
April - September
8:00AM - 6:00PM
October - March
8:30AM - 5:00PM
Admission
Adults: ¥200
Elementary/Junior high School Students:¥100
Votive Tablet: ¥800
Address
794 Sugi, Otoyo-cho, Nagaoka-gun, Kochi, Japan
Parking
20 spaces
Access
5-minute drive from Kochi Expressway Otoyo Interchange
Yone Chichi Icho Gingko Tree
Tel
Tel: 0887-72-0450
Intl Tel: +81-887-72-0450
(Otoyo Tourism Development Association)
Hours
Open all day
Admission
Free
Address
528 Yone, Otoyo-cho, Nagaoka-gun, Kochi, Japan
Parking
None 50-minute drive from Kochi Expressway Otoyo Interchange
Access
50-minute drive from Kochi Expressway Otoyo Interchange
Nyakuichioji-gu Shrine Meotosugi Cedar Trees
Tel
Tel: 0887-82-0214
Intl Tel: +81-887-82-0214
Hours
Open all day (grounds only)
Admission
Free
Address
769-2 Jike, Motoyama-cho, Nagaoka-gun, Kochi, Japan
Parking
15 spaces (Next to the fire cistern, No. 2 Parking Lot)
Access
20-minute drive from Kochi Expressway Otoyo Interchange
Mt. Shiraga Hattan Naro Nesagari Hinoki Cypress Trees
Tel
Tel:0887-76-3915
Intl Tel:+81-887-76-3916 (Motoyama Development Promotion Department)
*For trail information, visit YAMAP
Hiraishi Chichi Icho Gingko Tree
Tel
Tel: 0887-82-0483
Intl Tel: +81-887-82-0483 (Tosa Board of Education)
Hours
Open all day
Admission
Free
Address
Jizoji, Tosa-cho, Tosa-gun, Kochi, Japan
Parking
None
Access
50-minute drive from Kochi Expressway Otoyo Interchange
Kawachi-jinja Shrine Meotosugi Cedar Trees
Tel
Tel: 0887-82-0480
Intl Tel: +81-887-82-0480 (Tosa Town Hall Planning and Promotion Department)
Hours
Open all day
Admission
Free
Address
707 Minamikawa, Tosa-Cho, Tosa-gun, Kochi, Japan
Access
1hour20-minute drive from Kochi Expressway Otoyo Interchange
Mt. Ozare Giant Beech Trees
Tel
Tel: 0887-84-2211
Intl Tel: +81-887-84-2211
(Okawa Village Development Promotion Department)
*For trail information, visit YAMAP
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Climbing / Hiking
Stretching across the Shikoku Mountains, the Tosa Reihoku region offers a wide range of scenic peaks for hikers and climbers of all skill levels.
Whether you're looking for a casual hike or a more challenging ascent, you’ll find a trail that suits your pace and ability.
Be sure to wear proper hiking shoes and bring essential gear to ensure a safe and enjoyable journey.
Mt. Shiraga
Elevation: 1,469.4m above sea level
This mountain trail features well-maintained wooden walkways and takes about 90 minutes to reach the summit.
In spring, visitors can enjoy the vibrant blossoms of Akebono-tsutsuji (Rhododendron pentaphyllum) and Shakunage (Rhododendron subgenus Hymenanthes).
Near the summit, you'll also find a hauntingly beautiful grove of desiccated white tree trunks known as Hakkotsurin, or “White Bone Forest.”
Location: Motoyama-cho, Nagaoka-gun Kochi, Japan
*For trail information, visit YAMAP
Mt. Kajigamori
Elevation: 1,399.6m above sea level
The hiking trail up Mt. Kajigamori is full of highlights, including Ryuo-no-taki, one of Japan’s Top 100 Waterfalls and one of Tosa’s 40 famous water spots; Miei-do, a wooden hall deeply associated with Kobo Daishi; and the Okunoin (inner sanctuary) of Jofuku-ji Temple.
Staying at Star Lodge Kajigamori makes it easy to explore the area at your own pace.
Location: Otoyo-cho, Nagaoka-gun Kochi, Japan
*For trail information, visit YAMAP
Mt. Inamura
Elevation: 1,506.2m above sea level
This gentle hiking trail begins near Inamura Dam and winds its way through a man-made forest.
As you ascend, you’ll pass through a tunnel lined with blooming shakunage (Rhododendron subgenus Hymenanthes) in spring.
At the summit, you’ll be rewarded with stunning panoramic views of the surrounding mountains.
Location: Tosa-cho, Tosa-gun Kochi, Japan
*For trail information, visit YAMAP
Mt. Ozare
Elevation: 1,587m above sea level
This gentle trail, with minimal elevation changes, is easy enough for even elementary school children to enjoy.
Along the way, you’ll pass through a magnificent primeval beech forest that is truly breathtaking.
The area is also home to many native alpine plants, offering beautiful scenery throughout all four seasons.
Location: Okawa-mura, Tosa-gun Kochi, Japan
*For trail information, visit YAMAP
Mt. Nojimine
Elevation: 1,279.3m above sea level
This gentle trail, with minimal elevation changes, is easy enough for even elementary school children to enjoy.
Along the way, you’ll pass through a magnificent primeval beech forest that is truly breathtaking.
The area is also home to many native alpine plants, offering beautiful scenery throughout all four seasons.
Location: Okawa-mura, Tosa-gun Kochi, Japan
*For trail information, visit YAMAP
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