WorldwideUnited StatesCaliforniaSan Mateo CountyOljon TrailWorldwideUnited StatesCaliforniaSan Mateo CountyOljon TrailCycling Climbs in Oljon Trail There are 3 cycling climbs in Oljon Trail.Clicking on the climb category column will toggle between category and difficulty score.NameDistanceAvg GradientTotal ElevationClimb Category1.TJ's Oljon Bridges2.1 km1.6%33 mN/A2.Oljon South1.52 km1.9%28 mN/A3.Oljon Northbound (Spring Board to Gordon Mill)2.54 km0.9%22 mN/A