[Shimanto River/SUP 60 minutes] Free photo data! Easy course, even beginners are welcome♪ Dogs are welcome♪
- Beginners welcome - First try
- Solo participant
- Pets allowed
- Operate rain or shine
- Children welcome
- Photo gifts
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Possible number of bookings1~10
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Participating age3Age ~ 70 Age
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Duration1~2 hours
[What kind of image do you have of the Shimanto River?] "Majestic scenery, gentle flow, great nature, sunken bridges, 360° mountains" This is a SUP experience at a place that brings together all the great things about the Shimanto River. [WithRIVER's appealing points!] ・The perfect Shimanto River location! It's exactly what you imagine. ・Highly recommended for your first SUP! ・It's gentle and there are no fast currents, and even though it's a river, it's more like a lake. ・Even if it's your first time, you can rest assured because there will be a guide!! ・Your memories will be taken by the guide with a special camera! ・Make your SUP debut with your dog! Dog life jackets (+1000 yen) and photo data will be given to you for free! ・You can also try a sunken bridge dive! [On the day] ① Meet at withRIVER [20 minutes] before the experience time. ② After checking in and changing clothes, receive your life jacket! ③ Move to the experience location. The sunken bridge is a 5-minute walk away! ④ After the lesson, let's play in the Shimanto River! (The lesson time is included in the experience time) ⑤ If you wish, you can try jumping from a submerged bridge! ⑥ After the experience, change clothes and disband (※ It will take about 1.5 hours in total, including reception and changing clothes.) [About safety] The representative is a local guide who has been guiding on the Shimanto River for over 10 years and has a JRCA River Senior license. We provide an experience that puts your safety first, and based on our own safety standards, we will never force a tour when the field conditions are bad. All customers must wear a life jacket. The guide in charge also wears the same safety equipment before the tour, and we are thorough in ensuring safety. In addition, all staff at withRIVER aim to provide an experience that is worth more than the price! [Children aged 3 to 2nd grade of elementary school] Children aged 3 to 2nd grade of elementary school can participate by riding on an adult SUP together. When selecting the price, please choose "Parent and child 2-seater SUP" or "2 people".
This is an experience that takes place in the slow flow of the Shimanto River and the unique scenery around the sunken bridge. The guide will give you a safety briefing and guide you through how to ride, then you are free to explore the Shimanto River! It can be a little scary at first, but the guide will give you a thorough lecture, so even beginners can get started right away.
Participants are accepted from age 3. Small children can ride in tandem with an adult!
For the same content, please apply for the separate plan of "90 minutes (7/1-9/16)" which allows you to enjoy plenty of time!
Select your preferred day
- Immediate booking OK!
- Reception closed
- Not accepted
- Request booking

About fees
Basic fee
※The list price includes tax.
※The above price is a basic fee.
※Fees may vary depending on schedule, please check the fee displayed after selecting the date.
Included in price | |
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Not included in price |
Payment methods |
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Display of the Specified Commercial Transactions Act | Display of the Specified Commercial Transactions Act |
Reservation cancellation fee generation date | Cancellation fee will be charged from 0 days before the event date. |
About cancellation | We understand that everyone has their own circumstances, so withRIVER does not charge cancellation fees. We believe that no one has malicious intent! Please contact us as soon as possible once you know that you need to cancel. It can be worrying when you can't predict the weather. It's a special trip, so you want to experience it, right? We understand that feeling very well! So let's worry about it together until the very last minute! |
About event termination | [In case of rain or bad weather] We can still hold the tour if it is only light rain. If thunderstorms are expected or the Shimanto River floods due to heavy rain or a typhoon, we will contact you as soon as we determine that it is dangerous. Please note that this is an experience that involves nature, so there may be times when there is nothing that can be done by human effort. |
Detailed information of this plan
Required minimum number of participants | 1 Person(s) |
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Possible number of bookings | 1~10 |
About duration |
1~2 hours
Including reception and changing clothes, it will take about an hour and a half in total.
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Operating period | 2025/3/01〜2025/11/30 From July 1st to September 16th, 2025, we will be offering a plan with the same content that allows you to enjoy a full 90 minutes. Please apply through another plan of withRIVER! |
Assembly time | Please arrive 20 minutes before the start of the experience. (It gets busy in August, so please arrive 30 minutes before.) |
Booking deadline | until 23:59 the day before |
Changing room | Toilet | ||
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Shower | Parking | ||
Locker |
Dress code - Must bring items | [Clothing] It will be smoother if you come in clothes that you don't mind getting wet (such as a swimsuit). ・Rash guard, T-shirt shorts, sportswear, sandals, etc. *There is a high possibility that you will get wet from head to toe when using SUP. (I want to make a reservation, but I'm traveling and I don't have any clothes! Please contact us if that's the case.) [Things to bring] Clothes that you don't mind getting wet, change of clothes, drinks, sunscreen, towel *Rental items (fleece, windbreaker, sandals) are available for free rental. |
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About rental items | *All necessary items are included in the price. ・Extra life jacket (500 yen) ・Life jacket for dogs (1,000 yen) ・Wetsuit 500 yen (free in winter) ・Free: Crocs-type sandals (17-28cm) ・Free: Windbreaker, fleece ・Free: T-shirt, shorts (if you forget) |
Matters require attention | ・The tour will be held even if it rains. However, if we judge that the safety of the field cannot be ensured, we may cancel the tour. ・Parking is in front of the withRIVER facility. ・There are public toilets in the withRIVER facility or a 1-minute walk away. ・Please be sure to contact us in advance if you are late. *For safety reasons, we ask that customers who fall under the following categories refrain from participating. We apologize for any inconvenience this may cause. ・Pregnant women ・Those who have consumed alcohol or are hungover [Valuables] Please store valuables (keys, etc.) in the free dial lockers next to the reception desk. There is no space in the changing room to store clothes, etc., so you will have to store them in your car. If you bring glasses, smartphones, etc. to the experience, please do so at your own risk. [Changing room] Please use the changing room next to the reception desk. [Shower] There is a fee (300 yen) to use the hot water showers provided in the changing room. |
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Plan attractions

-Crossing the submerged bridge- To get to withRIVER, you have to cross a submerged bridge. It's exciting and nerve-wracking.
-Wansup- Let's bring your dog along for the SUP ride! Dog life jacket (1,000 yen)
-Rainy weather- When it rains, the Shimanto River transforms into a fantastical sight! Of course, if the river floods, the tour will be cancelled due to the water level.

-Uneasy- After the rain, the Shimanto River looks mysterious and fantastical. You are lucky if you get to see such a sight.
-I want to swim too- Even dogs love the Shimanto River. The moment they arrive, they gulp down the water from the bowl that is the Shimanto River!
-Location- This is a secret, but there is no place that is more like the Shimanto River than this...oh...there are plenty...

-Dive- Everyone has their own way of jumping, and everyone has their own painful spots... (laughs)
Access - Map
Please come to withRIVER. [For those who are not good at driving on narrow roads] If you are coming from Kochi City, Ashizuri, or Shimanto city, set the destination "withRIVER" and the stopover point "Iyoda Oil Store" in the navigation system. After that, cross the Sanri Submerged Bridge and go left for about 100m to the free parking lot.
[Car] If you are coming from Kochi City, Ashizuri, or Shimanto City, set the destination "withRIVER" in the navigation and the stopover point "Iyoda Oil Store". After that, cross the Sanri Submerged Bridge and go left for about 100m to the free parking lot.
[No shuttle service] Nearest station "Nakamura Station" → Rental bicycle (from 1,500 yen) or taxi (from 2,500 yen one way)
[Bicycle] It takes just under an hour by rental bicycle from Nakamura Station.
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Activity Provider of this plan
License and Qualifications | JRCA |
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Number of staff | 2 people |
Number of instructors | 5 people |
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