Upper Lake Mills Trailhead is an unimposing pullout on the gravel Whiskey Bend Road, a one-lane montane ‘improved goat-trail’ that serves the important and nearby Whiskey Bend Trailhead. The pullout serves the Upper Lake Mills Trail, or if it is full use Whiskey Bend at road’s end, and walk a couple of tenths mile back down. The trailhead is a little less than 5 miles up Whiskey Bend Road, which is mainly single-lane with turnouts.