WorldwideSpainAsturiasCasoCarretera de Boñar a Puerto de TarnaWorldwideSpainAsturiasCasoCarretera de Boñar a Puerto de TarnaCycling Climbs in Carretera de Boñar a Puerto de TarnaThere is one cycling climb in Carretera de Boñar a Puerto de Tarna.Clicking on the climb category column will toggle between category and difficulty score.NameDistanceAvg GradientTotal ElevationClimb Category1.Puerto las Señales (desde Tarna)2.88 km4.8%138 mCat. 4