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Lagunitas-Forest Knolls

Fairfax – San Geronimo loop from Lagunitas-Forest Knolls

Lagunitas-Forest Knolls

Fairfax – San Geronimo loop from Lagunitas-Forest Knolls

Moderate

4.9

(3272)

14,280

riders

Fairfax – San Geronimo loop from Lagunitas-Forest Knolls

01:59

41.3km

560m

Road cycling

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

Last updated: March 24, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

White Hill Open Space Preserve

Waypoints

Start point

Bus stop

Get Directions

1.88 km

Roy's Redwoods Open Space Preserve and French Ranch Open Space Preserve

Highlight • Forest

The two Open Space Preserves meet in this valley of stately redwood trees that's refreshingly cool even in summer, which is welcome before or after the climbs that go both directions in and out of this valley.

Tip by

2.63 km

Moon Hill Summit - Nicasio Valley Road

Highlight • Summit

Short steep climb from the South, more gradual from the north, to an overlook of the San Geronimo valley.

Tip by

15.1 km

The Big Rock - Skywalker Ranch

Highlight • Natural Monument

As the name implies, a big bolder marks the crest of Lucas Valley Road above Skywalker Ranch, the elusive retreat and production studios of George Lucas and his various film projects.

Tip by

27.6 km

Mission Pass Path

Highlight (Segment) • Mountain Pass

Crazy climb but nicely paved pass to get from and to Fairfax

Tip by

31.6 km

Fairfax

Highlight • Settlement

This town, nestled in the forested hills among unspoiled open space in Marin County, is a nice respite from the large nearby metropolis. It is a quirky, hip place with …

Tip by

32.0 km

Splitrock Tap & Wheel

Highlight • Cafe

Splitrock Tap & Wheel was built by diehard mountain bike riders for the community that we love; staffed and run by experienced, professional, approachable people who ride like you do, …

Tip by

36.0 km

White Hill Summit on Sir Francis Drake Boulevard

Highlight • Summit

Highest point between Fairfax and San Geronimo, the saddle was originally cut for the train in the 19th century, later widened for the highway. Can be busy but has a wide bike lane.

Tip by

40.2 km

San Geronimo

Highlight • Settlement

Slightly spread-out community nestled mostly along the creek valley with a friendly vibe and just a couple of eateries and convenience stores, though about twice a month volunteers offer a …

Tip by

41.3 km

End point

Bus stop

Way Types & Surfaces

Way Types

17.8 km

12.4 km

8.04 km

3.11 km

< 100 m

Surfaces

39.3 km

2.08 km

Elevation

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

Highest point (200 m)

Lowest point (0 m)

Weather

Monday 18 May

25°C

12°C

-- %

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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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Fairfax – San Geronimo loop from Lagunitas-Forest Knolls

Roy's Redwoods Open Space Preserve and French Ranch Open Space Preserve

Moon Hill Summit - Nicasio Valley Road

The Big Rock - Skywalker Ranch

Mission Pass Path

Fairfax

Splitrock Tap & Wheel

White Hill Summit on Sir Francis Drake Boulevard

San Geronimo

Nearby routes

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