Port de la Bonaigua is a high mountain pass at an elevation of 2.080m (6,824ft) above the sea level, located in the Pyrenees in Catalonia, northern Spain.
The pass links Esterri d'Àneu in the comarca of Pallars Sobirà with Vielha e Mijaran in the comarca of Val d'Aran. Port de la Bonaigua is traversed by the asphalted and winding C-28 road. Expect dozens of hairpin turns along the way. The surface of the road is in very good condition.
There are 2 routes to reach the summit. Starting from Vielha, the ascent is 23 km long. Over this distance, the elevation gain is 1.102 meters. The average percentage is 4.8 %. And starting from Esterri d' Aneu, the ascent is 23 km long. Over this distance, the elevation gain is 1.122 meters. The average percentage is 4.9 %. This asphalted road is usually open all year, but it can be closed anytime when the access is not cleared of snow.