Pacific Crest Trail Trailhead – San Francisquito Canyon Road

The Grass Mountain via San Francisquito Canyon Road trail offers a varied and engaging hiking experience, leading you through diverse terrain from well-maintained roads to sections of the Pacific Crest Trail. You'll traverse areas with low-lying shrubs, dry grasses, and towering yucca, eventually reaching the summit of Grass Mountain where panoramic views of Green Valley, Leona Valley, and the high desert await. This moderate 4.6-mile (7.3 km) route involves 1147 feet (350 metres) of elevation gain, with the final mile being particularly steep and challenging, making it a rewarding climb for those seeking expansive vistas.

To plan your visit, access the trailhead from San Francisquito Canyon Road, following Forest Route 6N04 and then 6N05. Given the exposed sections of the trail, especially in the Angeles National Forest, it's crucial to carry plenty of water, particularly during warmer months, and consider the best season for Grass Mountain hike to avoid extreme heat. While some parts are suitable for all ages, the steep final push to the summit means this trail is best enjoyed by hikers with good stamina and appropriate footwear.

This trail is notable for its accessibility and its connection to the Pacific Crest Trail, allowing you to experience a segment of this famous long-distance route. The broader San Francisquito Canyon area also holds historical significance, including remnants related to the 1928 St. Francis Dam disaster. Keep an eye out for wildlife sightings, as bobcat kittens have been reported, adding another layer of interest to your adventure in this scenic part of Los Angeles County.

The Grass Mountain Loop via PCT and Firebreak offers a diverse and rewarding hiking experience in the Angeles National Forest. You'll traverse varied terrain, from singletrack through small pine groves to open ridgelines near the summit of Grass Mountain, where the vegetation shifts to manzanita and chamise. The route provides panoramic views of Green Valley, Jupiter Mountain, and the Antelope Valley, making the 9.7-mile (15.6 km) journey feel like a true adventure.

Planning your visit is straightforward, with the trailhead located off San Francisquito Canyon Road, offering convenient parking. This moderate hike involves a significant 1799 feet (548 metres) of elevation gain, so be sure to bring plenty of water, especially during warmer months. The estimated duration is around 4 hours and 47 minutes, making it a solid half-day outing, and dogs are permitted on leash.

One of the most notable aspects of this trail is its integration with the Pacific Crest Trail, allowing you to experience a segment of this famous long-distance route. The loop also incorporates fire roads and utility roads, providing different perspectives and challenges. It's a favorite for local perspectives of the Antelope Valley and offers a good workout for those seeking a challenging hike with expansive views.

This easy 3.1-mile (5.1 km) section of the Pacific Crest Trail, known as San Francisquito Canyon South, is a fantastic way to experience a piece of the famous long-distance route. You'll gain 485 feet (148 metres) over about 1 hour and 28 minutes, traversing soft dirt paths and some loose rock. The trail winds through chaparral, pines, and oak trees, offering expansive views of rolling hills and the high desert, including the Green Valley and Antelope Valley areas.

Accessing the trail is straightforward from the San Francisquito Canyon Road trailhead. While no permits are mentioned, it's always wise to check local regulations before you go. This area can get warm, so bring plenty of water, especially if you're hiking during the sunnier parts of the day. Green Valley is also nearby, serving as a resupply point for PCT thru-hikers.

Beyond its natural beauty, this trail holds historical significance as part of early routes between Los Angeles and the San Joaquin Valley, including the El Camino Viejo and the Butterfield Overland Mail route. It's a unique opportunity to walk in the footsteps of history while enjoying the diverse landscapes of the Angeles National Forest.