Hard mountain bike ride. Very good fitness required. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: November 13, 2025

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Tips

Your route passes through a protected area

Please check local regulations for:

Mount Tamalpais State Park

Waypoints

Start point

Bus stop

Get Directions

7.52 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 …

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16.7 km

Old Railroad Grade Trail (upper half) — Mt Tam

Highlight (Segment) • Trail

Old Railroad Grade trail follows the route of the railroad that reached the peak of Mount Tam from Mill Valley (and a spur to Muir Beach) between 1896 and 1930. …

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19.2 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.

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22.6 km

Pantoll Road in Mount Tamalpais State Park connects Panoramic Highway at the Pantoll Ranger Station/Campground trailhead ( bahiker.com/northbayhikes/pantoll.html ) with Ridgecrest Boulevard at Rock Springs trailhead. It is a mostly …

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29.1 km

Rocky Ridge Road 🚵

Highlight (Segment) • Trail

Great hiking and mountain biking on this gravel fire road in Mt Tamalpais watershed. It climbs first gradually and increasingly steep from the west side of the Bon Tempe Dam …

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32.0 km

Bon Tempe Dam 🚵

Highlight (Segment) • Structure

Great hiking and mountain bike destination in Mt Tamalpais watershed. The dam holds the waters of Bon Tempe Lake above the Alpine Lake just below.
For a sweet 2 hour …

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32.7 km

Alpine Lake - Bon Tempe Dam

Highlight • Lake

Deep blue drinking water reservoir in Mt Tamalpais watershed.
Unfortunately no boating/swimming allowed.

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41.7 km

End point

Bus stop

Way Types & Surfaces

Way Types

30.6 km

5.00 km

4.06 km

1.99 km

Surfaces

24.7 km

9.34 km

5.21 km

2.18 km

212 m

< 100 m

Elevation

Highest point (680 m)

Lowest point (30 m)

Weather

Today

Wednesday 17 December

17°C

7°C

72 %

If you start your activity now...

Max wind speed: 14.0 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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Fish Gulch trail junction – Pantoll Road 🌲 loop from Fairfax

Fish Gulch trail junction

Old Railroad Grade Trail (upper half) — Mt Tam

Flowy downhill section above Laguna Creek

Pantoll Road 🌲

Rocky Ridge Road 🚵

Bon Tempe Dam 🚵

Alpine Lake - Bon Tempe Dam

Nearby routes

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