WorldwideUnited StatesMaineHancock CountyBirch HarborWorldwideUnited StatesMaineHancock CountyBirch HarborCycling Climbs in Birch Harbor There are 3 cycling climbs in Birch Harbor.Clicking on the climb category column will toggle between category and difficulty score.NameDistanceAvg GradientTotal ElevationClimb Category1.Bunker Harbor Climb to 60.63 km6.6%42 mN/A2.Home Boys1.67 km1.8%30 mN/A3.Birch to Winter Harbor2.91 km0.2%5 mN/A