Hahamongna Watershed South Loop
Hahamongna Watershed South Loop
4.8
(8892)
10,438
hikers
Hahamongna Watershed South Loop
01:19
5.01km
40m
Hiking
Enjoy an easy 3.1-mile hike on the Hahamongna Watershed South Loop, featuring mountain views and the Devil's Gate Dam.
Last updated: February 26, 2026
Waypoints
Start point
Parking
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1.11 km
Devil's Gate Dam
Highlight • Monument
Tip by
2.31 km
Spreading 11
Lake
5.01 km
End point
Parking
Way Types & Surfaces
Way Types
4.88 km
123 m
< 100 m
Surfaces
2.81 km
1.44 km
582 m
< 100 m
< 100 m
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Elevation
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Weather
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Today
Thursday 7 May
26°C
12°C
0 %
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Max wind speed: 8.0 km/h
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This route was planned by komoot.
Frequently Asked Questions
What is the best time of year to hike this loop?
The Hahamongna Watershed South Loop is enjoyable year-round, offering a natural escape even within an urban setting. After rains, you might experience a small lake and more vibrant scenery. Consider visiting in cooler months for more comfortable hiking, though the park's diverse flora provides beauty in all seasons.
Is the Hahamongna Watershed South Loop suitable for beginners or families?
Yes, this loop is considered easy and is a great option for beginners, a quick outing, or families. The paths are generally wide and easy to follow, making it accessible for a leisurely walk.
Are dogs allowed on the trail?
Yes, dogs are generally welcome in Hahamongna Watershed Park, which includes this loop. Please ensure your dog is kept on a leash and that you clean up after them to maintain the park's cleanliness for all visitors.
What kind of terrain can I expect on this route?
You'll find a mix of wide, easy-to-follow paths. While generally well-maintained, some sections can be dusty, and you might encounter horse droppings as it's a multi-use trail. The scenery includes diverse flora like oak trees, California sagebrush, and wild mustard, with beautiful views of the San Gabriel Mountains.
What facilities are available at Hahamongna Watershed Park?
Hahamongna Watershed Park offers well-maintained facilities for visitors. You'll find clean public bathrooms, picnic areas, and barbecue pits, making it convenient for a day out.
What can I see along the Hahamongna Watershed South Loop?
Along the route, you'll pass by the historic Devil's Gate Dam. The park also offers beautiful, unobstructed views of the San Gabriel Mountains, and after rains, a small lake might be visible. Keep an eye out for diverse flora and local wildlife.
Does the trail intersect with other paths?
Yes, the route passes through sections of other well-known paths. You'll find yourself on parts of the Flint Canyon Trail and the Gabrielino Trail, as well as segments near the Devil's Gate Dam.
What kind of wildlife might I spot?
The park is a good spot for observing local wildlife. Keep an eye out for ground squirrels, lizards, bunnies, toads, and various bird species. The diverse habitat zones support a variety of creatures.
Are there any permits or entrance fees required for Hahamongna Watershed Park?
No, there are typically no entrance fees or permits required to access Hahamongna Watershed Park or to hike this loop. It's freely accessible for public enjoyment.
Where can I park to access this trail?
Parking is generally available within Hahamongna Watershed Park. Look for designated parking areas near the trailheads, which are usually well-marked and provide convenient access to the loop.
How long does it typically take to complete this hike?
This loop is approximately 5 kilometers (3.1 miles) long and generally takes around 1 hour and 20 minutes to complete at a moderate hiking pace. It's a good option for a relatively quick outing.