Third Stream Crossing via Middle Fork Trail

This trail is generally considered difficult and is best suited for experienced hikers. It involves a steady climb, steep and exposed sections, and beyond the Third Stream Crossing, the path becomes narrower with loose rock and scree slides. Some parts leading to the waterfalls may even require Class 2+ rock and scree climbing.

The terrain is highly varied. You'll start on a rough dirt road to the trailhead, which requires a high-clearance vehicle. The trail itself features exposed sections, steady climbs, multiple stream crossings, and beyond the third crossing, it becomes more rugged with loose rock, narrow treads, and scree slopes. You'll traverse different 'micro-biomes' from chaparral to dense forests.

Based on average hiking speeds, this route typically takes around 1 hour and 16 minutes to complete. However, due to its challenging nature and varied terrain, your actual time may vary depending on your pace and how much time you spend exploring the waterfalls or other features.

Access to the trailhead involves driving on a rough dirt road. A high-clearance vehicle is strongly recommended, especially after rain, to navigate this section. Parking is available at the trailhead, but you will need a permit for parking in the Cucamonga Wilderness area.

Yes, permits are required for both parking and for hiking or backpacking within the Cucamonga Wilderness, where this trail is located. Make sure to obtain the necessary permits before your visit.

The trail is generally considered dog-friendly, but given its challenging and rugged terrain, including steep sections, loose rock, and potential scrambling, it might not be suitable for all dogs. Always keep your dog on a leash and ensure they are capable of handling the strenuous conditions.

While the trail can be hiked year-round, consider visiting during cooler months to avoid the intense heat on exposed sections. After rain, the access road can be particularly challenging, but the waterfalls will be more impressive. Be prepared for potential snow and ice in winter at higher elevations.

You'll experience absolutely stunning scenery, traversing multiple 'micro-biomes' from chaparral to dense forests. Highlights include dramatic canyon views, brooks, and various waterfalls. The main draw is the multi-tiered waterfall, often over 100 feet high, located near the Third Stream Crossing trail camp. You'll also pass through the Middle Fork Canyon/ Lytle Creek.

Beyond the Third Stream Crossing, the trail becomes significantly more challenging. Expect narrow and canted treads, loose rock, and three scree slides that require careful navigation. The route to the main waterfalls involves 'sketchy and slippery' sections with loose dirt and scree slopes, some at a 45-degree angle, and Class 2+ rock climbing may be necessary.

Yes, the route primarily follows sections of the Middle Fork Trail. It also briefly intersects with the Stonehouse Cutoff and the Middle Fork Lytle Creek Road - 2N58 at different points along its course.

The 'Third Stream Crossing' is not just a point on the trail but also serves as a trail camp. It's a shaded glen offering a peaceful respite with space for several tents. This area is also the gateway to a magnificent multi-tiered waterfall that plunges into a deep pool, creating a cool mist.