WorldwideUnited StatesIowaJohnson CountyBlack Diamond Road SouthwestWorldwideUnited StatesIowaJohnson CountyBlack Diamond Road SouthwestCycling Climbs in Black Diamond Road SouthwestThere is one cycling climb in Black Diamond Road Southwest.Clicking on the climb category column will toggle between category and difficulty score.NameDistanceAvg GradientTotal ElevationClimb Category1.Black Diamond-Black Hawk to U Ave 8.89 km0.2%18 mN/A