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

Waterman Mountain Loop Trail

Moderate

4.8

(7783)

16,395

hikers

Waterman Mountain Loop Trail

03:32

9.95km

410m

Hiking

Embark on the Waterman Mountain Loop Trail for a moderate hike through the Angeles National Forest. This 6.2 miles (10.0 km) route challenges you with 1330 feet (406 metres) of elevation gain, typically taking around 3 hours and 32 minutes to complete. As you ascend, you will traverse forested slopes…

Last updated: April 23, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Waypoints

A

Start point

Parking

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B

9.95 km

End point

Parking

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Way Types & Surfaces

Way Types

5.12 km

3.98 km

719 m

< 100 m

< 100 m

Surfaces

9.33 km

482 m

< 100 m

< 100 m

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Elevation

Elevation

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Weather

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Today

Thursday 7 May

22°C

11°C

2 %

Additional weather tips

Max wind speed: 11.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

What are the parking arrangements and permit requirements for the Waterman Mountain Loop Trail?

Parking for the Waterman Mountain Loop Trail is available at the trailhead. An Adventure Pass is required for parking within the Angeles National Forest, where the trail is located. You can purchase these passes at various vendors or ranger stations before your visit.

Is this trail suitable for beginners?

The Waterman Mountain Loop Trail is generally considered a difficult or challenging hike. It features significant elevation gains and steep sections, particularly a steep downhill on the return. While some parts are moderate, it's not recommended for beginners due to its overall difficulty and potential for difficult navigation in certain areas.

When is the best time of year to hike this route?

The best time to hike the Waterman Mountain Loop Trail is typically during the spring months when you can enjoy seasonal springs and wildflowers. Fall also offers pleasant temperatures and changing foliage. While accessible in summer, be prepared for warmer weather. Winter hikes are possible but may involve snow and colder conditions, requiring appropriate gear.

Is the Waterman Mountain Loop Trail dog-friendly?

Yes, dogs are generally allowed on trails within the Angeles National Forest, including the Waterman Mountain Loop Trail. However, they must be kept on a leash at all times. Please remember to pack out all pet waste to help keep the trail clean.

What kind of terrain and scenery can I expect on the hike?

The trail offers diverse terrain, traversing forested slopes with incense cedars and Jeffrey pines, providing ample shade. You'll encounter both single-track paths and fire roads. As you climb, expect stunning views of the San Gabriel Wilderness, including Twin Peaks and Pallett Mountain, as well as the Antelope Valley. The summit of Waterman Mountain features boulders and panoramic vistas. You might also spot signs of past wildfires, but much of the hike is through living forest.

What wildlife or plants might I see along the way?

The forested areas are rich with incense cedars and Jeffrey pines. During spring, you might see various wildflowers. Keep an eye out for wildlife such as deer and, if you're lucky, bighorn sheep. The trail also passes through areas with pine trees and pine cones.

Does the trail intersect with other well-known paths?

Yes, the route incorporates sections of other trails. You will hike along parts of the Mount Waterman Trail for a significant portion of the loop. The trail's versatility also allows for connections to other paths like the Pacific Crest Trail and the Twin Peaks Trail, offering opportunities for extended explorations.

Are there any notable landmarks or viewpoints on the loop?

Absolutely. A unique feature is its passage through the Mt. Waterman ski area, where you'll encounter ski lifts. The trail also leads to the summit of Mount Waterman, offering expansive, panoramic views. The boulders at the summit provide great spots to take in the scenery. You'll also get stunning views of the San Gabriel Wilderness and the Antelope Valley from various high points.

Is there a recommended direction to hike the loop?

Some hikers specifically recommend doing the Waterman Mountain Loop Trail clockwise. This approach can help with navigation, particularly around the ski lift area where signage might be less clear. It can also make the steep downhill section feel more manageable for some.

Is water available on the trail, and what should I bring?

While there might be seasonal springs, it's crucial to carry all the water you need for the entire hike, as reliable water sources are not guaranteed. Given the trail's challenging nature and potential for difficult navigation, it's advisable to bring a map and compass or a GPS device, appropriate layers of clothing, sun protection, snacks, and a first-aid kit.

How long does it typically take to complete the Waterman Mountain Loop Trail?

The average duration to complete this hike is around 3 hours and 35 minutes. However, this can vary significantly based on your fitness level, the number of stops you make for views, and trail conditions. It's best to allow ample time, especially given its challenging sections.

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