From Stanley: The Bayhorse Road (Forest road #051) takes off Highway 75, 19 miles downriver from the Yankee Fork Work Center Office. It passes the old Bayhorse mining town and continues upward and onward to Big and Little Bayhorse Lakes. This dirt road is narrow and steep. From Challis: approximately six miles east on Highway 75, turn right onto Forest Road #051 (at sign), and continue upward and onward 7 miles to Big Bayhorse Lake. This dirt road is narrow and steep.
A beautiful high mountain lake is the setting for this out of the way picnic area. Plenty of fishing in lake and streams. Good hiking and ATV trail access. Facilities include picnic tables and fire rings with cooking grills. Within the picnic area there are vault toilets. On Bayhorse Lake visitors will find a boat launch and two boat docks for use by non-motorized watercraft. This dirt road is narrow and steep and caution is advised. No drinking water is on site, and please pack out your trash.