State Route 162 (SR 162) begins in Mendocino County at Longvale, south of the town of Laytonville along U.S. Route 101. It goes east through Long Valley next to the Middle Fork of the Eel River. On the opposite bank of the river is the right of way of the disused Northwestern Pacific Railroad. It is from Longvale to Covelo. This portion of SR 162 is called Covelo Road. Covelo is in Round Valley, home of the Round Valley Indian Reservation. SR 162 is called Covelo Road, Commercial Street, and/or Mina Road as it goes north through the center of town. Beyond Covelo, there are of paved road, called Mendocino Pass Road, between Covelo and the Mendocino National Forest; most of this portion of Mendocino Pass Road is primarily controlled by Mendocino County instead of under state maintenance.