Highlight • Mountain Pass
Hiking
5.0
(4)
This Highlight is in a protected area
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Tips
March 31, 2022
Hiking

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Nearby routes
Best routes near Windy Gap & PCT junction

5.0
(1)
7
hikers
9.22km
03:15
610m
430m
Embark on the Mount Islip, Big Cienega, and Windy Gap Loop for a moderate hike through diverse alpine scenery in the Angeles National Forest. This 5.7 miles (9.2 km) route challenges you with 1999 feet (609 metres) of elevation gain, typically taking around 3 hours and 14 minutes to complete. As you ascend, you'll pass through remnants of coniferous forests and spot seasonal wildflowers, leading to the summit of Mount Islip. From 8,251 feet, you can enjoy panoramic 360-degree views of the San Gabriel Mountains, and on clear days, even glimpse Los Angeles County and the ocean.
The trailhead for this loop is conveniently located within the Crystal Lake Recreation Area. Before you head out, remember that an Adventure Pass is required for parking your vehicle in this area. Make sure to secure your pass in advance to avoid any delays.
This trail offers more than just views; it also takes you through areas still recovering from the 2002 Curve Fire. Witnessing the landscape's resilience as it regenerates provides a unique perspective on nature's enduring power. The route's combination of challenging ascents and rewarding vistas makes it a notable option for hikers exploring the San Gabriel Mountains.

9.72km
03:37
1,000m
20m
Hike the difficult 6.0-mile Crystal Lake to Throop Peak trail in Angeles National Forest, gaining 3292 feet for panoramic views.

219km
66:21
6,660m
8,200m
PCT: California Section D offers a truly demanding hiking experience, traversing the varied terrain of the San Gabriel Mountains. You'll journey from desert-like conditions with long waterless stretches to high mountain environments, encountering unique geological features and expansive views. This difficult route, covering 136.1 miles (219.1 km) with 21866 feet (6665 metres) of elevation gain, is a significant undertaking that typically requires around 66 hours and 20 minutes.
Planning your visit requires careful attention to water, as some sections can be up to 30 miles without reliable sources. The best time to hike this section is during the shoulder seasons, like late fall and spring, to avoid extreme heat and before heavy snow. Be prepared for exposed terrain and potential snowfields at higher altitudes, even outside of winter.
This section of the PCT is considered one of its most challenging, with its proximity to the San Andreas Fault offering interesting geological insights. You'll pass through or near small towns like Agua Dulce and Wrightwood, providing opportunities for resupply and amenities, which are crucial given the trail's remote nature.
Details
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Elevation 2,300 m
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