WorldwideUnited StatesCaliforniaAltadenaPorter AvenueWorldwideUnited StatesCaliforniaAltadenaPorter AvenueCycling Climbs in Porter AvenueThere is one cycling climb in Porter Avenue.Clicking on the climb category column will toggle between category and difficulty score.NameDistanceAvg GradientTotal ElevationClimb Category1.Porter Long (Mendocino to Loma Alta)0.9 km7.2%64 mN/A