WorldwideUnited StatesCaliforniaSan Mateo CountyMiddleton TractWorldwideUnited StatesCaliforniaSan Mateo CountyMiddleton TractCycling Climbs in Middleton Tract There are 4 cycling climbs in Middleton Tract.Clicking on the climb category column will toggle between category and difficulty score.NameDistanceAvg GradientTotal ElevationClimb Category1.Portola State Park to top West Alpine8.43 km6.9%586 mCat. 22.Portola Park - from house to Alpine4.04 km8.4%340 mCat. 23.portola state park entrance to tenth hill4.52 km7.3%368 mCat. 24.Portola State Park Rd from Gate to Summit3.24 km8.8%284 mCat. 3