- Recreational opportunities in this Wilderness Area included numerous hiking and backpacking trails leading to the many peaks, canyons, rivers and streams. Entry points at Icehouse Canyon, Thunder Mountain and Lytle Creek. Wilderness permits required for entry. Permits available at Mt. Baldy Visitor Center, Glendora Ranger Station and Lytle Creek Ranger Station. Horseback riding, hiking, and backpacking are enjoyed on this wilderness area. The Cucamonga Wilderness Area is located northeast of the Los Angeles Basin, within both the Angeles and San Bernardino National Forests.