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Routes
Mountain biking trails
United States
California
Los Angeles County
Altadena

Andrea Wilson Triangle loop from MRCA Open Space

Hard

4.6

(7777)

17,171

riders

Andrea Wilson Triangle loop from MRCA Open Space

01:34

13.4km

630m

Mountain biking

Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike. The starting point of the route is right next to a parking lot.

Last updated: May 8, 2026

Tips

Temporary access restrictions

Includes segments with temporary access restrictions.

After 710 m for 1.86 km

Open: • 6:00 AM-8:00 PM (otherwise closed)

After 10.3 km for 955 m

Open: • 6:00 AM-8:00 PM (otherwise closed)

Waypoints

A

Start point

Parking

Get Directions

1

1.22 km

Andrea Wilson Triangle

Highlight • Natural Monument

Andrea Wilson Triangle is a small protected area along Chaney Trail in Altadena. Though not a developed trail, it’s part of a larger effort to preserve open space and wildlife habitat in the foothills near Angeles National Forest.

Tip by

B

13.4 km

End point

Parking

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Way Types & Surfaces

Way Types

5.24 km

4.23 km

3.69 km

224 m

Surfaces

4.43 km

3.69 km

3.52 km

1.71 km

< 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 (1,020 m)

Lowest point (400 m)

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Weather

Powered by Foreca

Today

Monday 25 May

21°C

12°C

0 %

Additional weather tips

Max wind speed: 11.0 km/h

to get more detailed weather forecasts along your route

Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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