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Hiking trails & Routes
Los Angeles County
San Dimas

Bonelli Bluffs Loop

Easy

2

hikers

Bonelli Bluffs Loop

01:58

7.17km

110m

Hiking

The Bonelli Bluffs Loop offers a refreshing escape with constant views of Puddingstone Reservoir, making it a popular choice for those seeking an easy outing. You'll traverse a varied terrain of single-track, fire roads, and paved sections, winding through areas shaded by coast live oak trees and past vibrant wild…

Last updated: June 9, 2026

Waypoints

A

Start point

Parking

Get Directions

1

1.60 km

Brackett Field Airport

Highlight • Structure

Hear a plane coming in for a landing? You're experiencing air traffic from Brackett Field Airport. This airport is over 100 years old; it was established in 1911 and is …

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2

3.15 km

Great View

Highlight • Viewpoint

B

7.17 km

End point

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Way Types & Surfaces

Way Types

4.09 km

1.69 km

1.31 km

< 100 m

Surfaces

2.69 km

2.28 km

1.47 km

632 m

< 100 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (370 m)

Lowest point (290 m)

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Weather

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Today

Saturday 4 July

31°C

15°C

11 %

Additional weather tips

Max wind speed: 19.0 km/h

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Frequently Asked Questions

How long does it typically take to hike the Bonelli Bluffs Loop?

The full loop is approximately 7.2 km (4.5 miles) long and generally takes around 1 hour and 58 minutes to complete. This duration can vary based on your pace and how often you stop to enjoy the scenery.

Is the Bonelli Bluffs Loop suitable for beginners?

Yes, the trail is generally considered easy to moderate. While it features some inclines and 'ups and downs,' many sections are flat, making it accessible for most hikers. Some parts are even rated as a 1 out of 5 for difficulty.

What is the terrain like on this trail?

The route offers a varied terrain, including single-track paths, fire roads, and asphalt sections. You'll encounter both flat stretches and some modest inclines as you traverse the loop.

What are the scenic highlights along the route?

You'll enjoy continuous views of Puddingstone Reservoir, with the towering San Gabriel Mountains visible to the north. The trail passes through areas with wild mustard, shaded sections under coast live oak trees, and follows a creek in some parts. Keep an eye out for the Great View highlight for expansive vistas.

What kind of wildlife might I encounter on the Bonelli Bluffs Loop?

Hikers often spot desert cottontails, various waterfowl, and California ground squirrels. While less common, there's a possibility of encountering rattlesnakes, coyotes, skunks, and raccoons, so it's always wise to be aware of your surroundings.

Is the Bonelli Bluffs Loop dog-friendly?

Yes, the trail is dog-friendly! Leashed pets are welcome to join you on your hike.

What is the best time of year to hike the Bonelli Bluffs Loop?

The trail can be enjoyed year-round. However, spring offers vibrant displays of wild mustard, while cooler temperatures in fall and winter can make for a more comfortable hike. Evenings can be great for spotting waterfowl.

Are there any entrance fees or permits required for the trail or Frank G. Bonelli Regional Park?

Frank G. Bonelli Regional Park, where the trail is located, typically has a vehicle entry fee. It's best to check the official Los Angeles County Parks and Recreation website for the most current fee schedule and any specific regulations.

Where can I park to access the Bonelli Bluffs Loop?

The trail is located within Frank G. Bonelli Regional Park, which offers numerous parking areas. You can access various points of the loop from different parking lots within the park. Look for designated parking near the Puddingstone Reservoir.

Does the trail intersect with other paths?

Yes, the route incorporates sections of other trails within the park. You'll find yourself on parts of the Bonelli Trail and the Kikos Trail as you complete the loop, offering a diverse hiking experience.

Are there restrooms available along the Bonelli Bluffs Loop?

As the trail is located within Frank G. Bonelli Regional Park, there are restrooms available at various points throughout the park, particularly near picnic areas and recreational facilities around Puddingstone Reservoir.

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