Puerto de la Bobia

Puerto de la Bobia is a mountain pass at an elevation of 1.103m (3,618ft) above the sea level, located  in the Autonomous Community of the Principality of Asturias, Spain. The climb is brutal, with sections up to 20%.

Puerto de la Bobia
Puerto de la Bobia

The road to the summit is asphalted but narrow and really steep. Starting from Molejón, the ascent is 13.5 km long. The average percentage is 7.4 % but the maximum slope is 20%. 
Pic: https://fotos.subefotos.com/d5da978ca960be99f0cc860164826dc9o.jpg