Climbers' Access for Mount Jerusalem & Watchtower Peak
From Hwy 93 take Montana Hwy 473 (West Fork Road) west for 14.3 miles to the junction with Nez Perce Road (468).
Follow the Nez Perce Road for 9.2 miles to the signed turnoff for Watchtower Creek Trail (142).
Turn right (northwest) onto FR road 5638 and follow it .4 mile to the trailhead loop.
There is a spacious clearing with plentiful parking.
There are stock facilities and an outhouse at the trailhead.
For information about the climbers' routes accessed from this trailhead, see the link included in the following pictures' descriptions.