The La Bohn Traverse is a point to point route with the Southern terminus at Commonwealth Basin Trailhead on the PCT at Snoqualmie Pass and a Northern terminus at Necklace Valley Trailhead off of Hwy 2 in Skykomish. The route was designed by Arya Jonathan Farahani as part of the UltraPedestrian Wilderness Challenge. Traveling southbound, the route starts at Necklace Valley Trailhead to East Fork Foss River and then to Opal Lake via Necklace Valley Trail #1062. After reaching Opal lake, the route travels "cross country" or off trail up 1200' of talus slopes to the La Bohn lakes section of Alpine Lakes Wilderness, you then descend 1500' down more talus and boulders past an abandoned mine to Williams Lake. Lake Williams to Goldmyer Hotsprings via Williams Lake Trail, Dutch Miller Gap Trail and Middle Fork Trail. Goldmyer Hotsprings to Red Pond via Burnboot Creek “Trail” and Red Pass. The Burnbook Creek trail is unmaintained and quite overgrown and is the slowest portion of the route. Finally Red Pond to PCT Section J (South End) Trailhead via the Commonwealth Basin trail.
The one-way route is about 30 miles.