WorldwideBulgariaPlovdivRuenWorldwideBulgariaPlovdivRuenCycling Climbs in RuenThere is one cycling climb in Ruen.Kuklen (1)All Cycling Climbs in RuenClicking on the climb category column will toggle between category and difficulty score.NameLocationDistanceAvg GradientTotal ElevationClimb Category1.св.Илия-ЯвровоKuklen 4.74 km6.1%287 mCat. 3