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Tamalpais-Homestead Valley

Cal Park Tunnel & Pathway – Camino Alto Road loop from Muir Woods National Monument

Tamalpais-Homestead Valley

Cal Park Tunnel & Pathway – Camino Alto Road loop from Muir Woods National Monument

Hard

4.9

(2154)

5,202

riders

Cal Park Tunnel & Pathway – Camino Alto Road loop from Muir Woods National Monument

04:24

94.2km

990m

Road cycling

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride. The starting point of the route is accessible with public transport.

Last updated: August 10, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Camino Alto Open Space Preserve

Waypoints

Start point

Bus stop

Get Directions

27.5 km

Terra Linda-to-Ignacio Bike Path

Highlight (Segment) • Cycleway

Smooth high-speed dedicated bike trail through a green corridor parallel to Hwy 101

Tip by

47.7 km

San Antonio Rd (Marin Bike Route 5)

Highlight (Segment) • Cycleway

Quiet frontage road segment along the western side of the Hwy 101bike corridor south of Petaluma

Tip by

80.6 km

Cal Park Tunnel & Pathway

Highlight (Segment) • Cycleway

Opening this bike tunnel through the renovated trail tunnel as part of the 2010 redeveloped rail connection from Larkspur Ferry to Santa Rosa closed a crucial gap in the bike commute to San Francisco.

Tip by

83.3 km

Tiburon-Larkspur Bike Path & Corte Madera Path intersection

Highlight • Cycleway

On the east side of Redwood Highway the north-south trail 17 to Tiburon intersects with the Corte Madera Path: the merged trail heads partially on the shoulder of the busy frontage road toward the narrow bridge sidewalk crossing to the Larkspur Ferry.

Tip by

83.6 km

Corte Madera-Larkspur Path Trailhead

Highlight • Trail

Great park trail between the bay and the Mount Tamalpais parks

Tip by

83.9 km

Corte Madera–Larkspur Pathway

Highlight (Segment) • Cycleway

Huggin Corte Madera Creek this 3.5-mile, multi-use path is a great option for those looking for a mellow route. It passes through Hal Brown-Creekside Park, which is a good spot for a break.

Tip by

87.1 km

Camino Alto Road

Highlight (Segment) • Cycleway

As the bike trails dead-end on both sides of the closed Alta tunnel, Camino Alto is a popular, albeit hilly and narrow, road ride alternative to connect Mill Valley and Corte Madera.

Tip by

90.8 km

Molino / Edgewood Avenue & Sequoia Valley Road

Highlight (Segment) • Climb

Quieter albeit slightly higher and steeper climb out of Mill Valley to Panoramic Highway instead of climbing on Hwy 1, meandering along lesser traffic neighborhood streets with more shade and awesome bay views.

Tip by

94.2 km

End point

Bus stop

Way Types & Surfaces

Way Types

63.4 km

27.0 km

3.44 km

441 m

Surfaces

88.7 km

5.00 km

470 m

128 m

Elevation

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

Highest point (220 m)

Lowest point (0 m)

Weather

Thursday 3 September

17°C

13°C

46 %

Additional weather tips

Max wind speed: 8.0 km/h

to get more detailed weather forecasts along your route

Comments

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Cal Park Tunnel & Pathway – Camino Alto Road loop from Muir Woods National Monument

Terra Linda-to-Ignacio Bike Path

San Antonio Rd (Marin Bike Route 5)

Cal Park Tunnel & Pathway

Tiburon-Larkspur Bike Path & Corte Madera Path intersection

Corte Madera-Larkspur Path Trailhead

Corte Madera–Larkspur Pathway

Camino Alto Road

Molino / Edgewood Avenue & Sequoia Valley Road

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