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Hiking trails & Routes
United States
California
Los Angeles County
San Gabriel Mountains National Monument

Grassy Hollow to Jackson Flat via PCT

Easy

4.8

(4517)

14,726

hikers

Grassy Hollow to Jackson Flat via PCT

00:37

2.06km

80m

Hiking

Hike a scenic section of the Pacific Crest Trail from Grassy Hollow to Jackson Flat, an easy 1.3-mile (2.1 km) route that takes about 36 minutes to complete. You will gain 264 feet (80 metres) in elevation as you explore this path. The trail offers amazing mountain views, with panoramic…

Last updated: April 23, 2026

Tips

Your route passes through a protected area

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Waypoints

A

Start point

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1

135 m

Grassy Hollow

Highlight • Rest Area

Grassy Hollow is a picnic area off the Pacific Crest Trail. There is a Pacific Crest Trail emblem marking sign on the junction to go to Grassy Hollow, less than .1 miles off trail.

Tip by

2

1.10 km

View into Lake Los Angeles

Highlight • Viewpoint

The view into Lake Los Angeles is not a view into an actual lake, but a town called Lake Los Angeles.

Tip by

3

1.96 km

Views over Phelan

Highlight • Viewpoint

Catch a glimpse over the desert from Angeles National Forest. This climate can get dry with winds blowing in from the desert, but at high altitudes, it can snow as well.

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B

2.06 km

End point

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Way Types & Surfaces

Way Types

1.94 km

< 100 m

< 100 m

Surfaces

2.00 km

< 100 m

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Elevation

Elevation

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Weather

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Today

Monday 13 July

24°C

17°C

24 %

Additional weather tips

Max wind speed: 5.0 km/h

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Frequently Asked Questions

How long does it typically take to hike the Grassy Hollow to Jackson Flat via PCT trail?

This easy segment of the Pacific Crest Trail is approximately 2.5 to 3 miles long (about 4-5 km) and generally takes 1 to 2 hours to complete as an out-and-back hike. The exact duration can vary based on your pace and how often you stop to enjoy the views.

Is the Grassy Hollow to Jackson Flat via PCT trail suitable for beginners or families?

Yes, this trail is considered easy to moderate and is very suitable for beginners and families. It offers an accessible and scenic hiking experience with mostly gradual inclines, making it a great introduction to the San Gabriel Mountains.

Where can I park for the Grassy Hollow to Jackson Flat trail?

The trailhead begins at the Grassy Hollow Visitor Center. You will need a Big Pines Parking Pass to park there. Ensure you display the pass clearly in your vehicle.

Do I need any permits or passes to hike this trail?

Yes, a Big Pines Parking Pass is required for parking at the Grassy Hollow Visitor Center trailhead. This pass helps support the maintenance of recreational facilities in the area. You can often purchase these passes at local ranger stations or visitor centers.

Is the Grassy Hollow to Jackson Flat via PCT dog-friendly?

Yes, leashed dogs are welcome on this trail. Please remember to keep your dog on a leash at all times and to pack out any waste to help keep the trail clean and enjoyable for everyone.

What is the best time of year to hike this trail?

The trail is enjoyable for much of the year. Spring and fall offer pleasant temperatures and beautiful scenery. Summer provides a cooler hiking option compared to the desert heat, thanks to its elevation. While winter hiking is possible, be aware that snow can be present, sometimes as late as July in sheltered areas, potentially obscuring parts of the trail.

What kind of views and scenery can I expect along the route?

Hikers are treated to amazing mountain views, with panoramic vistas stretching from the high desert to the north all the way to the ocean, including views of Catalina Island on clear days. The area is beautifully green with diverse tree cover. You'll pass by the View into Lake Los Angeles and Views over Phelan. Some sections may show signs of past fires, with new growth providing a unique visual contrast.

Are there any notable landmarks or features along the trail?

Absolutely! Beyond the scenic views, you'll be hiking a segment of the famous Pacific Crest Trail. Near the Jackson Flat Campground, there's a concrete observation structure with a spiraling staircase offering excellent views. Keep an eye out for the 'Sitting Log,' a favorite spot for many hikers to take a break and enjoy the serene surroundings.

Does this trail intersect with other well-known paths?

Yes, this route is entirely part of the iconic Pacific Crest Trail. Specifically, it covers 100% of the PCT - California Section D, and also overlaps with sections of the Pacific Crest National Scenic Trail #2000.

What should I know about hiking in the Angeles National Forest?

The Grassy Hollow to Jackson Flat trail is located within the Angeles National Forest. When hiking here, it's important to practice Leave No Trace principles, stay on marked trails, and be aware of local regulations regarding campfires and wildlife. Always check the forest service website for current conditions, fire restrictions, and any alerts before your visit.

What is the terrain like on the Grassy Hollow to Jackson Flat via PCT?

The terrain is generally well-maintained, following the Pacific Crest Trail. While mostly a gradual incline, some sections can be moderately steep. You might cross a wooden bridge over a creek and enjoy shaded areas under oak and pine trees. Be prepared for potential snow cover in winter and early spring.

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