 The trunkline takes a turn to the east as it passes along the Au Sable River.The River Road National Scenic Byway starts on M-65 at Rollways Road, and the highway generally follows the river as it passes by a former logging community which is commemorated by Lumberman's Monument.At the intersection with River Road, M-65 turns north to cross the Au Sable, and the byway designation continues east along River Road to follow the river to Oscoda.