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Mountain biking trails

View of the valley – Little Dalton Debris Basin loop from Glendora High School

Routes

Mountain biking trails

View of the valley – Little Dalton Debris Basin loop from Glendora High School

Moderate

2.5

(3)

riders

View of the valley – Little Dalton Debris Basin loop from Glendora High School

01:20

15.5km

330m

Mountain biking

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: May 26, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Angeles National Forest

Waypoints

Start point

Bus stop

Get Directions

2.68 km

Big Dalton Debris Basin

Highlight • Natural

Sometimes there's a good-sized pool of water in this basin; most of the time, though, it's a boggy sort of wetland. Either way it's home to an interesting riparian, sage scrub and southern oak habitat.

Tip by

2.83 km

Wooden Bridge in Big Dalton Canyon Wilderness Park

Highlight • Bridge

Big Dalton Canyon Wilderness Park plays host to many trails, reservoirs, and recreation areas. The Big Dalton Canyon Road is a popular road for biking, though the pavement does eventually deteriorate.

Tip by

8.04 km

View of Glendora

Highlight • Viewpoint

At the junction of Lower Monroe Trail, Mystic Canyon Trail, and Lower Monroe Truck Trail is a great view over Glendora down in the south below.

Tip by

8.05 km

View of the valley

Highlight • Viewpoint

12.7 km

Little Dalton Debris Basin

Highlight • Structure

Little Dalton Debris Basin is a small, man-made collecting pond in Big Dalton Canyon Wilderness Park. It is just off Big Dalton Canyon Road and Glendora Mountain road, which are both popular, challenging roads for biking.

Tip by

15.5 km

End point

Bus stop

Way Types & Surfaces

Way Types

7.92 km

7.45 km

< 100 m

Surfaces

7.92 km

7.45 km

< 100 m

Elevation

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

Weather

Today

Saturday 27 June

26°C

16°C

0 %

Additional weather tips

Max wind speed: 22.0 km/h

to get more detailed weather forecasts along your route

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View of the valley – Little Dalton Debris Basin loop from Glendora High School

Big Dalton Debris Basin

Wooden Bridge in Big Dalton Canyon Wilderness Park

View of Glendora

View of the valley

Little Dalton Debris Basin

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