Hailey Pass Trail is a 28 mile moderately trafficked out and back trail located near Boulder, WY that features a lake and is rated as moderate. The trail is primarily used for hiking and horses and is accessible from June until October. Dogs and horses are also able to use this trail.
From Pinedale, drive south on Hwy 191. At Boulder, turn left on Hwy 353 and drive 18 miles to the end of the pavement. Shorty after the pavement ends, go straight through the junction, and drive south crossing the Big Sandy River (Buckskin Crossing). At next junction, turn left (east) and drive 7 miles. Turn left at the following jct and follow the main road to the Big Sandy Campground and trailhead. This trailhead is remote, so be sure to have a full tank of gas.