WorldwideUnited StatesCaliforniaGlendoraLower Monroe Truck TrailWorldwideUnited StatesCaliforniaGlendoraLower Monroe Truck TrailCycling Climbs in Lower Monroe Truck Trail There are 4 cycling climbs in Lower Monroe Truck Trail.Clicking on the climb category column will toggle between category and difficulty score.NameDistanceAvg GradientTotal ElevationClimb Category1.Mystic Trailhead to GMR Gate7.63 km5.9%453 mCat. 22.Mystic to switchbacks1.44 km7.6%110 mCat. 43.Lower Monroe Road Climb0.92 km9%83 mCat. 44.Lower Monroe Rd Climb1.41 km5.8%82 mCat. 4