Apple Maps Google Maps gravel route Osborn Avenue Northwest to 80th Street Northwest bike gravelmap.com 71.4 km 868 m gain
Apple Maps Google Maps gravel segment Grover Ave NW to Huber Ave NW bike gravelmap.com 13.2 km 4 m gain
Apple Maps Google Maps gravel segment 170th Street to Deerwood Road bike gravelmap.com 1.2 km 21 m gain
