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Hiking trails & Routes
Los Angeles County
San Dimas

Tree Line Trail

Easy

Tree Line Trail

00:26

1.55km

30m

Hiking

The Tree Line Trail in Frank G. Bonelli Regional Park offers a delightful, shaded escape, perfect for a quick dose of nature. Despite its name, you won't be hiking above the treeline here; instead, you'll enjoy a well-maintained path with picturesque views and plenty of tree cover. It's a pleasant,…

Last updated: June 9, 2026

Waypoints

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Parking

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B

1.55 km

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Way Types & Surfaces

Way Types

1.40 km

157 m

Surfaces

1.23 km

176 m

133 m

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Elevation

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Saturday 4 July

32°C

15°C

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Frequently Asked Questions

What is the best time of year to hike the Tree Line Trail?

The Tree Line Trail is enjoyable year-round, thanks to its ample shade. However, for the most comfortable experience, consider visiting during the cooler months of fall, winter, and spring. Summer mornings are also pleasant before the heat of the day.

Is the Tree Line Trail suitable for beginners or families with children?

Yes, the Tree Line Trail is generally considered manageable for most hikers, including beginners and families. Komoot rates it as 'easy,' and it offers a moderate workout over a relatively short distance. Its shaded path makes it a pleasant option for a leisurely outing.

Are dogs allowed on the trail?

Yes, dogs are welcome on the Tree Line Trail, but they must be kept on a leash at all times. This trail is part of Frank G. Bonelli Regional Park, which is generally dog-friendly.

What is the terrain like on this route?

The Tree Line Trail is a natural, unpaved path. Hikers can expect picturesque views and ample shade along the route. While specific details on varied terrain are not extensively provided, its setting within a regional park implies a generally maintained path suitable for multi-use activities.

Where can I park to access the Tree Line Trail?

The Tree Line Trail is located within Frank G. Bonelli Regional Park, which offers various access points and parking facilities. Its easy access points are conveniently located near Interstate exits. Look for parking areas within the park that provide direct access to the trailheads.

Are there any fees or permits required to hike the Tree Line Trail or enter Frank G. Bonelli Regional Park?

Frank G. Bonelli Regional Park may have entrance fees, especially for vehicles. For the most current information on park entrance fees, permits, and regulations, it's best to check the official Los Angeles County Parks and Recreation website: lacounty.gov.

Does the trail intersect with other paths?

Yes, while primarily following the Tree Line Trail for its entire length, the route also briefly passes through sections of the Kikos Trail and the Park View Trail within Frank G. Bonelli Regional Park.

What makes this trail notable?

The Tree Line Trail is notable for its accessibility, ample shade, and multi-use nature within Frank G. Bonelli Regional Park. It's a short, shaded loop offering moderate exercise with pleasant views, suitable for hiking, mountain biking, and horseback riding.

Is the Tree Line Trail a loop or an out-and-back route?

The Tree Line Trail is a loop trail, allowing you to experience varied scenery without retracing your steps. This makes it a convenient option for a quick and enjoyable outing.

What kind of views or landmarks can I expect along the way?

The trail offers picturesque views throughout its course. While specific named landmarks are not highlighted, the tree-lined environment provides a scenic backdrop, and its location within Frank G. Bonelli Regional Park means you'll be surrounded by natural beauty.

Are there any facilities or amenities nearby, like restrooms or water?

As the trail is located within Frank G. Bonelli Regional Park, you can expect to find various park facilities, which typically include restrooms and water fountains, especially near main parking areas or recreational zones. It's always a good idea to carry your own water, especially on warmer days.

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