What is hydrospeed?
Hydrospeed (also known as riverboarding or hydrotrineo) is a whitewater sport where you descend a river using a rigid foam board, swim fins and a full neoprene suit. Unlike rafting, where a group shares an inflatable boat, hydrospeed puts you alone in the current. Every move depends on your body: you steer with your fins, use the board as a shield and feel every wave, rapid and eddy first-hand.
The activity is physically demanding (continuous finning for 20 to 90 minutes depending on the route) but requires no prior experience on the beginner section. Guides explain basic techniques on dry land before you enter the water: body position, turning, flipping recovery and reading rapids.
Hydrospeed routes from Llavorsí
Hydrospeed Moleta (3 km) – Beginner
Level: easy. Minimum age: 12. Total duration: approx. 1h 30 min.
The shortest section on the Noguera Pallaresa, designed as an introduction to hydrospeed. It mixes calm pools (where you practise turns and recoveries) with gentle class II-III rapids. From €35.
Hydrospeed Yeti to Moleta (4.5 km) – Intermediate
Level: medium. Minimum age: 14. Total duration: approx. 2h.
Starting from the Yeti base, this 4.5 km stretch offers a wider variety of rapids. The first kilometres serve as a warm-up in slower water. Then the river picks up with class III sections that demand faster reactions. From €45.
Hydrospeed Yeti to Gulleri (9 km) – Advanced
Level: advanced. Minimum age: 15. Total duration: approx. 2h 30 min.
The full descent of the Noguera Pallaresa between Llavorsí and Gulleri. 9 km with class III-IV sections including well-known rapids such as La Lavadora, Quatre Llarg, La Sirga and El Cuatro Español. Requires endurance and quick reflexes. Recommended for those with previous whitewater experience. From €56.
What is included?
Every hydrospeed descent from Llavorsí includes full technical gear: hydrospeed board, wetsuit, thermal jacket, neoprene socks, life jacket, helmet with GoPro mount and fins. Professional guides (speaking English, Spanish, Catalan and French) accompany the group throughout, paddling alongside in kayaks.
Also included: shuttle transfer from the Llavorsí base to the start point and back, free client parking, and accident and liability insurance.
You should bring: swimsuit, towel, sunscreen and (optionally) a thermal shirt to wear under the wetsuit. If you wear glasses, bring a strap.
Requirements
Swimming ability is mandatory. Hydrospeed takes place in real whitewater, and there are moments when you may become separated from your board. A basic level of fitness is also necessary: continuous finning for 20 to 90 minutes demands cardiovascular endurance and leg strength.
Minimum ages vary by route: 12 (3 km), 14 (4.5 km) and 15 (9 km). These may change depending on river flow conditions. Participants under 18 must be accompanied by an adult.
The Noguera Pallaresa: a European whitewater reference
The Noguera Pallaresa rises in the Àneu Valley (Pallars Sobirà) and flows over 50 km to meet the Segre. Between Llavorsí and Rialp lies one of southern Europe’s finest whitewater stretches: continuous class II to IV rapids, strong spring-to-autumn flow fed by Pyrenean snowmelt, and a protected natural setting with minimal development along its banks.
Best time for hydrospeed in the Pyrenees
The hydrospeed season in Llavorsí runs from March to October. May and June offer the highest water levels (snowmelt) and the most intense experience. July and August have lower flow but warmer temperatures. September brings moderate water, fewer crowds and autumn colours.
How to get to Llavorsí
Llavorsí is located in Pallars Sobirà, province of Lleida (Catalonia, Spain). Access is via the C-13 road from Sort (10 min) or La Pobla de Segur (40 min). From Barcelona, the drive takes approximately 3 hours via the C-16 and the Cadí tunnel. From Vielha (Aran Valley), about 50 minutes via the Bonaigua pass or the Vielha tunnel.
Frequently asked questions
Is hydrospeed dangerous?
As with any whitewater sport, there is inherent risk. It is minimised through certified equipment, qualified guides and routes matched to each participant’s level. Guides assess river conditions daily and may modify the route if water levels require it.
Can I do hydrospeed with no experience?
Yes. The Moleta section (3 km) is designed for beginners. Guides run a dry-land briefing covering body position, fin technique, turning and flip recovery before you enter the water.
What is the difference between hydrospeed and rafting?
In rafting you sit inside an inflatable raft with 4–8 people and a guide on board. In hydrospeed you are alone, lying on a rigid board with your lower body submerged. Contact with the water is total and every rapid feels far more direct.
What happens in bad weather?
Rain does not cancel the activity. Cancellation only occurs if river flow rises to levels that compromise safety. In that case, a date change or refund is offered per the booking conditions.