WorldwideUnited StatesCaliforniaSonoma CountyDuncans MillsWorldwideUnited StatesCaliforniaSonoma CountyDuncans MillsCycling Climbs in Duncans MillsThere is one cycling climb in Duncans Mills.Clicking on the climb category column will toggle between category and difficulty score.NameDistanceAvg GradientTotal ElevationClimb Category1.Duncans Mills Rest Stop to Schoolhouse Beach Rest Stop Levi Gran Fondo Medio 201214.87 km0.1%8 mN/A