18 mile hiking trail located near Truckee, California
From Truckee, take highway 267 until you reach the Brockway Summit sign that says the elevation. After the sign take the first right onto the skinny paved road. Follow the road and turn left where the sign says Watson Lake. Keep driving until you reach a small lake, Watson lake. The trailhead is on the left.
http://www.tripleblaze.com/trail.php?c=3&i=8747