The usual federal wilderness area regulations and restrictions apply here. There may also be additional wilderness-specific restrictions in force; check with the district office if in doubt. Practice Leave No Trace (LNT) backcountry skills and ethics. Camp 100 feet from fragile areas; bury human waste at least 200 feet from water, trails, and campsites. This trail is usually closed by snow from November to June. Both FR 3661 and 3659 are used by snowmobiles in winter.
The Badger Lake Trail (formerly the Long Lake Trail #3758) provides access to Pacific Crest Trail (USFS #2000) and Sky Lakes Wilderness from a trailhead at Fourmile Lake. This trail passes the east side of Fourmile Lake—with magnificent views of Mount McLoughlin across the water—then climbs to pass Woodpecker and Badger Lakes and the Lily Pond. Beyond the pond, the trail passes Long Lake before ending at the Pacific Crest Trail near Island Lake. The Pacific Crest Trail offers opportunities for loop options with trails in the area. This areas suffers badly from mosquitos from mid-June through early September.