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Sausalito — Mill Valley Path – Alpine Dam loop from Sausalito

Sausalito — Mill Valley Path – Alpine Dam loop from Sausalito

Hard

4.6

(4591)

13,369

riders

Sausalito — Mill Valley Path – Alpine Dam loop from Sausalito

04:57

70.1km

1,290m

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: August 13, 2026

Tips

Includes a segment in which cycling is not permitted

After 11.3 km for 55 m

Waypoints

Start point

Bus stop

Get Directions

963 m

Sausalito — Mill Valley Path

Highlight (Segment) • Cycleway

Excellent direct paved bike route along the 101 corridor but entirely in nature, through the Bothin Marsh wetlands.

Tip by

11.1 km

Old Railroad Grade Trail Gate Overlook

Highlight • Viewpoint

Sweeping views south and east, all the way to SF, and Mt Tam right above behind you to the north. The bench is dedicated to the family who built their house in front of you 60 years ago.

Tip by

11.2 km

Railroad Grade at Fern Canyon & Summit

Highlight • Trail

Uphill from this intersection a portion of the Railroad Grade has been taken over by Fern Canyon Rd after the Mt Tam railroad closed. A short distance uphill on pavement brings you to the end of Fern Cyn. A bit before the end the Railroad Grade gravel forest road splits off again to the right. The Temalpa Trail that joins here is steep with stairs, not open to biking.

Tip by

15.2 km

Railroad Grade Fire Road Overlook to San Francisco

Highlight • Viewpoint

On clear days views open up along the trail across the bay and including the San Francisco skyline

Tip by

15.9 km

Flowy downhill section above Laguna Creek

Highlight • Trail

After looping around West Point the Railroad Grade trail snakes through open and tree-lined sections with fun curves.

Tip by

16.2 km

Mount Tamalpais West Point

Peak

32.9 km

Alpine Dam

Highlight (Segment) • Structure

Constructed in 1917 this dam forms Alpine Lake, which sites between Kent and Bon Tempe Lakes. The road across the top of the dam make it a great place to ride on a loop around the lake.

Tip by

33.6 km

Alpine Lake

Highlight • Lake

This lake was formed by the building of Alpine Dam in 1917. It sits between Kent Lake and Bon Tempe Lake, and is popular for a variety of outdoor activities.

Tip by

36.5 km

Mount Tamalpais Watershed

Nature Reserve

52.4 km

Fish Gulch trail junction

Highlight • Trail

From easiest to hardest climbs out of phoenix lake from this junction:
-Shaver Grade, easy grade, longer, shaded and pretty
-Eldridge Grade, medium, good length and can connect you to mt tam east peak
-Fish Grade fire road, very steep, we hiked the bikes

Tip by

70.1 km

End point

Bus stop

Way Types & Surfaces

Way Types

27.7 km

19.0 km

17.5 km

5.94 km

< 100 m

Surfaces

36.5 km

20.3 km

12.9 km

492 m

< 100 m

Elevation

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

Highest point (740 m)

Lowest point (0 m)

Weather

Today

Wednesday 26 August

28°C

12°C

0 %

Additional weather tips

Max wind speed: 14.0 km/h

to get more detailed weather forecasts along your route

Comments

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

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Sausalito — Mill Valley Path – Alpine Dam loop from Sausalito

Sausalito — Mill Valley Path

Old Railroad Grade Trail Gate Overlook

Railroad Grade at Fern Canyon & Summit

Railroad Grade Fire Road Overlook to San Francisco

Flowy downhill section above Laguna Creek

Alpine Dam

Alpine Lake

Fish Gulch trail junction

Nearby routes

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