O'Neill Pass To Lake La Crosse Loop is a 44.8 mile moderately trafficked out and back trail located near Montesano, Washington that features a lake and is rated as difficult. The trail offers a number of activity options and is accessible from July until September.
Directions from Brinnon: Drive north on Highway 101 to Dosewallips River Road, number 2610. Turn westward (left) on to Dosewallips River Road and travel 15 miles to the ranger station and trailhead. The last portion of the road is narrow and steep. It may be slippery when wet.