WorldwideUnited StatesCaliforniaHumboldt CountyMoonstoneWorldwideUnited StatesCaliforniaHumboldt CountyMoonstoneCycling Climbs in Moonstone There are 2 cycling climbs in Moonstone.Clicking on the climb category column will toggle between category and difficulty score.NameDistanceAvg GradientTotal ElevationClimb Category1.West Haven Steep Sprint0.57 km7.6%43 mN/A2.Westhaven Drive 5.13 km0.2%11 mN/A