Humber Park Trailhead. Two great hikes begin at this site, the 2½-mile Devils Slide Trail and the 2.6-mile Ernie Maxwell Scenic Trail. Adventure permits ($5) are needed for both; wilderness permits needed for Devils Slide. At top of Fern Valley Rd., Idyllwild, California, 92549. 951/659–2117; www.fs.usda.gov/recarea/sbnf/recarea/?recid=26483.
Pacific Crest Trail. Access the trail at Highway 74, 1 mile east of Highway 371; or via the Fuller Ridge Trail at Black Mountain Road, 15 miles north of Idyllwild. Permits ($5 per day), required for camping and day hikes in the San Jacinto Wilderness, are available at the Idyllwild Ranger Station or online. Ranger Station, Pine Crest Ave., off Hwy. 243, California. 951/659–2117; www.fs.usda.gov/sbnf.