Apple Maps Google Maps gravel route Clarkston to Ortonville Loop bike gravelmap.com 58.6 km 885 m gain
Apple Maps Google Maps gravel route Stony - Metamora - Bald Mt bike gravelmap.com 148.1 km 1507 m gain
Apple Maps Google Maps gravel route Ortonville State Rec Area Loop bike gravelmap.com 70.1 km 703 m gain
