Place closure
No recurring date-based closure of Middle Fork Lytle Creek Trailhead is published. Icehouse Canyon or Middle Fork Lytle Creek and temporary emergency orders still control access.
Trailhead
Cucamonga Wilderness, San Bernardino National Forest, California
Middle Fork Lytle Creek Trailhead begins on Forest Service Trail 6W01.2; the Middle Fork route enters Third Stream and Cucamonga wilderness camping country
The final road is rough and flood-prone; use a suitable vehicle and carry the required wilderness permit.
Seasonal access
No recurring date-based closure of Middle Fork Lytle Creek Trailhead is published. Icehouse Canyon or Middle Fork Lytle Creek and temporary emergency orders still control access.
Icehouse Canyon or Middle Fork Lytle Creek: Use the signed Middle Fork Lytle Creek Trailhead access in Cucamonga Wilderness, San Bernardino National Forest, California. Use the signed entry and verify parking, Adventure Pass needs, road gate, and current trail status; do not substitute Thunder Mountain when closed. Cucamonga Wilderness has no single annual closure, but snow and ice, summer heat, wildfire, washouts, and emergency orders can close Icehouse or Middle Fork access.
Check San Bernardino alerts, the exact trail page, road gate, parking rules, and wilderness permit instructions before departure.