Lac de Bious-Artigues
Lac de Bious-Artigues is a high mountain lake at an elevation of 1.416m (4,646ft) above the sea level, located in Pyrénées-Atlantiques, Pyrénées, southwestern France.
The road to the lake is asphalted but pretty narrow and steep. It’s called D231. Starting from Laruns, the ascent is 19.3 km long. Over this distance, the elevation gain is 897 meters. The average percentage is 4.6 %.