WorldwideBulgariaSofia-CityBistritsav.z. Kalfin dolWorldwideBulgariaSofia-CityBistritsav.z. Kalfin dolCycling Climbs in v.z. Kalfin dolThere is one cycling climb in v.z. Kalfin dol.Clicking on the climb category column will toggle between category and difficulty score.NameDistanceAvg GradientTotal ElevationClimb Category1.Бистрица-стадион (изкачване)0.76 km4.8%37 mN/A