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Routes
United States
California
Los Angeles County
Pasadena

Mueller Tunnel – Mueller Tunnel loop from Allen

Routes
United States
California
Los Angeles County
Pasadena

Mueller Tunnel – Mueller Tunnel loop from Allen

Hard

5.0

(5608)

18,973

riders

Mueller Tunnel – Mueller Tunnel loop from Allen

04:38

46.7km

1,710m

Gravel riding

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: April 2, 2026

Tips

Temporary access restrictions

Includes segments with temporary access restrictions.

After 8.70 km for 1.86 km

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

Waypoints

A

Start point

Train Station

Get Directions

9.20 km

Andrea Wilson Triangle

Nature Reserve

18.5 km

Ye Alpine Tavern

Ruins

3

23.6 km

Mueller Tunnel

Highlight (Segment) • Structure

This tunnel was blasted into existence in 1942 to form the old Mount Lowe Motorway.

Tip by

4

23.7 km

Mueller Tunnel

Highlight • Structure

Mueller Tunnel is definitely a highlight. You ride your bike through the San Gabriel Peak. The tunnel is very short, so you don't have to worry about bringing lights.

Tip by

5

24.1 km

Mt Lowe gravel road

Highlight • Trail

Gravel track on former railway from Eaton Canyon to Mt Wilson

Tip by

6

26.6 km

Wilson Observatory overlook

Highlight • Viewpoint

Viewpoint to the east to the Wilson Observatory

Tip by

7

27.6 km

Mt Wilson Toll Rd

Highlight • Trail

Junction at the summit of Mt Wilson gravel road with the paved road at the gate to Mt Wilson Skyline Park

Tip by

8

28.0 km

The Cosmic Cafe

Highlight • Cafe

Iconic café spot atop Mount Wilson. Observatory visits start from here

Tip by

9

28.1 km

Mount Wilson Trailhead overlook and memorial

Highlight • Viewpoint

Just below the Mt Wilson Trailhead on Red Box Road, this overlook and memorial is a perfect place to pause. Sit and take in sweeping views of the San Gabriel Valley, and read the memorial plaque honoring early conservation efforts.

Tip by

10

37.6 km

Henninger Flats

Highlight • Viewpoint

Henninger Flats sits along the road with views of Altadena. You’ll pass by it while climbing the Mt. Wilson Toll Road and can take a moment to catch your breath …

Tip by

39.8 km

LA County Open Space

Nature Reserve

B

46.7 km

End point

Train Station

Loading

Way Types & Surfaces

Way Types

26.4 km

7.24 km

7.09 km

4.77 km

1.25 km

Surfaces

23.4 km

12.7 km

9.97 km

404 m

289 m

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Elevation

Elevation

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

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Weather

Powered by Foreca

Today

Wednesday 27 May

19°C

13°C

22 %

Additional weather tips

Max wind speed: 17.0 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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