Mas de la Costa
Mas de la Costa is a mountain pass at an elevation of 980m (3,215ft) above the sea level located in the comarca of Alcalatén, province of Castellon, Valencian Community, Spain. It’s said to be one of the Spain's toughest cycling climbs.
The road to the summit is asphalted/concrete but narrow and brutally steep. It has been featured in Spanish Vuelta race. It is a short mountain pass, just 4km long, with an average inclination of 13% but with peaks of up to 22% that may cause serious problems for more than one.
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