5 activities to choose from + 2 maniac tours
You can customize a special holiday with your family, friends, colleagues, and loved ones according to your age, taste, and time.
Flexible planning is available from 0.5 to 3 days according to your schedule!
Private tours are also available for a set fee (+20%)!

Family Safe River> Rafting

Challenge Freedom River rafting

Step up Thrilling River Rafting

Adrenaline nature's healing Going down a stream

Family Scenery Mountain Walking

Experienced Fishing Spring only
Perfect for people like you!
How do I choose?
- There is a large age difference in the group, but we want a tour that will satisfy everyone.
- You've done rafting many times before, but now you want to go down the rapids on your own.
- Families with small children who want to spend a whole day on the water.
- I want to enjoy the adventure.
Dates
2026
March – June: All dates
July: 1-10, weekdays only after 11
August:Not available
(weekdays only, depending on availability)
September:Weekdays only
October :All dates
Price Information
All photos and videos of the tour will be presented as a gift!
Lunch is included in the price for tours of more than one day.
Please contact us for other accommodation/meals.
- 0.5 days 13,000 yen
- 1 day 23,000 yen
- 1.5 days 33,000 yen
- 2 days 43,000 yen
- 2.5 days 53,000 yen
- 3 days 63,000 yen
- 0.5 days 9,000 yen
- 1 day 18,000 yen
- 1.5 days 26,000 yen
- 2 days 34,000 yen
- 2.5 days 42,000 yen
- 3 days 50,000 yen
- Only Silver/Gold members can join at the following special price!
- 0.5 days 8,000 yen
- 1 day 15,000 yen
- 1.5 days 23,000 yen
- 2 days 30,000 yen
* The prices above are per person.
* The minimum number of participants required to run a tour is 2 people.
We do accept bookings for single participants; however, if no other guests join by the day of the tour, the tour can still operate with an additional 20% fee.
*Cash back for repeater benefits is not applicable
*Repeaters can only use the tour gift for one-day tours only
*Web booking discounts are not applicable for custom tours.
-
Tours may be modified or canceled depending on weather conditions and river water levels.
Cancellations occur only in cases of severe conditions, such as heavy rain warnings due to large typhoons or when the river level exceeds our safety limits.
Tours are not canceled due to normal rainfall.Depending on river conditions, Family Tours only may be canceled, while other tours continue as scheduled.
If there is a high possibility of changes or cancellation due to weather conditions such as typhoons, we will contact you as early as 2–3 days in advance.
At the latest, we will notify you by the day before your tour.
If you would like an update at any time, please feel free to contact us.Please also note that, in some cases, a cancellation may be decided on the day of the tour.
Thank you for your understanding. - Those who are under the influence of alcohol or are severely hungover, will not be allowed to participate.
If you fall into any of the above categories, you will not be allowed to participate in the tour even if you arrive on the day of the tour. (The tour fee will not be refunded. Please understand.) - About using a car navigation system
If you are using a car navigation system, please search for “JR Tosa-iwahara Station. Our base is 100m from the station.
If you search for a phone number, address, or HappyRaft, you will be directed to the old address of HappyRaft or a mountain road, which can cause a lot of trouble.
Example Plans
AM Family Rafting (¥7,500 Regular rate dates)
PM Mini Me Tour / Pack Raft Ducky Tour (11,000yen)
Total 18,500 yen
Choose a ride from Raft Boat, Mini Me, Packraft, or Ducky! Then take your adventurous spirit to the river and let the adventure begin.
Half day 11,000 yen per person Full day 19,000 yen per person
Day 1 AM Rafting the half-day course (7,500yen)
PM Rafting the same course with different vehicles (11,000JPY)
Day 2 Full day rafting course (12,000 yen)
30,500 yen per person for 2 days
When you make a reservation, our staff will ask you about the number of people, age structure, interests, time, etc., and plan the river rafting section, vehicle suggestions, start and end times of activities, accommodation and meals if you are staying for multiple days. Please refer to the price list above.