WorldwideBulgariaBurgasBilkaRuenWorldwideBulgariaBurgasBilkaRuenCycling Climbs in RuenThere is one cycling climb in Ruen.Clicking on the climb category column will toggle between category and difficulty score.NameDistanceAvg GradientTotal ElevationClimb Category1.Bilka to Vishna turn9.02 km0.1%11 mN/A