WorldwideSpainAsturiasSieroCastañeraWorldwideSpainAsturiasSieroCastañeraCycling Climbs in Castañera There are 4 cycling climbs in Castañera.Clicking on the climb category column will toggle between category and difficulty score.NameDistanceAvg GradientTotal ElevationClimb Category1.subida fumareda-fario por siero6.24 km7.1%445 mCat. 22.Alto de la Fumarea desde Siero4.87 km6.3%305 mCat. 33.El Castru ◭ Fumarea Climb4.74 km6.4%301 mCat. 34.Barguinercia!!0.52 km0.3%13 mN/A