Pantà de Cavallers: a steep paved road to the reservoir

Pantà de Cavallers is a high mountain reservoir at an elevation of 1.770m (5,807ft) above the sea level, located in the province of Lleida, in Catalonia, Spain.

Pantà de Cavallers
Pantà de Cavallers

Located in the Boi valley, within the Aiguestortes i Estany of Saint Maurici National Park, the road to the reservoir, also known as Estanys de Tor, is paved but very narrow, totally impassable for 2 cars at the same time. It shouldn’t be attempted by those who don't know how to reverse. It is called L-500.

Open to traffic throughout the year, may be closed for short periods in winter when the weather is bad. It was built in 1958. At the dam there’s a small parking lot. Starting from Caldes de Boí, the ascent is 4.6 km long with 7 hairpin turns. Over this distance the elevation gain is 299 meters. The average gradient is 6,5%, with a 10% of maximum slope.