WorldwideSpainAutonomous Community of the Basque CountryMallabiaBI-633WorldwideSpainAutonomous Community of the Basque CountryMallabiaBI-633Cycling Climbs in BI-633 There are 4 cycling climbs in BI-633.Clicking on the climb category column will toggle between category and difficulty score.NameDistanceAvg GradientTotal ElevationClimb Category1.Subida Trabakua por Iruzubieta, camino viejo2.81 km5.3%149 mCat. 42.Markina Trabakua2.02 km7.3%147 mCat. 43.Markina-Trabakua barrutik2.65 km5.4%144 mCat. 44.Trabaku Markiñaldetik ( tarte gogorra ) , Trabakua por Markina ( tramo duro)1.95 km7.3%142 mCat. 4