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United States

California

Marin County

Bon Tempe Lake & Dam – Alpine Lake - Bon Tempe Dam loop from Mount Tamalpais Watershed

Routes

Hiking trails & Routes

United States

California

Marin County

Bon Tempe Lake & Dam – Alpine Lake - Bon Tempe Dam loop from Mount Tamalpais Watershed

Hard

2.7

(20)

hikers

Bon Tempe Lake & Dam – Alpine Lake - Bon Tempe Dam loop from Mount Tamalpais Watershed

05:46

19.3km

550m

Hiking

Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: February 18, 2026

Waypoints

Start point

Parking

Get Directions

1.39 km

Happenberger Ridge Trail - Pine Mountain Fire Rd

Highlight • Trail

The view from the start of this trail is amazing with the rolling hills leading into the mountains. There is lush greenery as far as the eye can see as Mount Tamalpais Watershed meets the Cascade Canyon Preserve.

Tip by

2.74 km

Carson Falls

Highlight • Waterfall

Carson Falls is a multi-tier waterfall that flows through Little Carson Creek in the Mount Tamalpais Watershed. Just four miles southwest of Fairfax, it is easy to get to and well signed.

Tip by

11.1 km

Helen Market Trail

Highlight (Segment) • Trail

Hellen Market Trail begins just after Cataract Falls and runs along the East bank of Alpine lake before joining up with Kent Trail.

Tip by

13.5 km

Alpine Lake

Highlight • Lake

Don't be fooled, 'Alpine Lake' is the name of this body of water, but the fact that it is an alpine lake is highly debatably at a lowly 768 feet. …

Tip by

14.6 km

Alpine Lake

Lake

16.9 km

Bon Tempe Lake & Dam

Highlight • Lake

Wide earthen dam with a great gravel trail crossing. From the top of this dam excellent views of the Bon Tempe Lake, and down across Alpine Lake at a lower elevation.

Tip by

17.4 km

Alpine Lake - Bon Tempe Dam

Highlight • Lake

Great stop for a photo

Tip by

18.8 km

Azalea Hill

Highlight • Viewpoint

Rising slightly above the summit of Fairfax-Bolinas Road the views from Azalea Hill are mostly to the east. Mt Tamalpais dominates the view to the south.

Tip by

19.3 km

End point

Parking

Way Types & Surfaces

Way Types

9.76 km

8.76 km

549 m

217 m

Surfaces

17.1 km

1.26 km

549 m

241 m

< 100 m

Elevation

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

Highest point (420 m)

Lowest point (150 m)

Weather

Today

Sunday 10 May

23°C

8°C

0 %

Additional weather tips

Max wind speed: 16.0 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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Bon Tempe Lake & Dam – Alpine Lake - Bon Tempe Dam loop from Mount Tamalpais Watershed

Happenberger Ridge Trail - Pine Mountain Fire Rd

Carson Falls

Helen Market Trail

Alpine Lake

Bon Tempe Lake & Dam

Alpine Lake - Bon Tempe Dam

Azalea Hill

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