Tomales – Estero de San Antonio loop from Tomales

Bike touring routes & trails

Tomales – Estero de San Antonio loop from Tomales

Moderate

2.5

(8)

riders

Tomales – Estero de San Antonio loop from Tomales

01:44

25.3km

440m

Cycling

Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: October 14, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Greater Farallones National Marine Sanctuary

Waypoints

Start point

Parking

Get Directions

207 m

Tomales

Highlight • Settlement

Small roadside village along Coastal Hwy1, at the strategic intersections to Petaluma and Dillon Beach, with a great bakery, a general store, the oldest saloon in Marin, post office, two …

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1.07 km

Tomales Cemetery

Highlight • Historical Site

Some interesting early pioneer gravestones tell the history of the long established families of this small town

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4.55 km

Visible from far away at the top of Dillon Beach Road are these large rounded granite boulders. A social trail climbs down to explore the caves and cool area between the tall free-standing rock walls.

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4.82 km

Horizontal Tree

Highlight • Natural

At the summit of the steep road climbing south from Valley Forge the wind has blown over a tree a couple of years ago. It fell with its roots straight …

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8.07 km

Estero de San Antonio

Highlight • River

This small coastal lagoon is formed by a sandbar that dams Stemple Creek, which starts in the hills of Marin County and flows west near the mouth of Tomales Bay, …

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12.7 km

Estero Americano

Highlight • River

The water, particularly at high tide, covers the entire flat valley of the small stream, as it is close to the sea, and very low in elevation, making it feel …

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14.1 km

Christo's Running Fence Memorial & Post Office Mural 🎨

Highlight • Monument

In 1976, after a long process, Christo’s large-scale artwork “Running Fence” was installed over 24.5 miles of Sonoma and Marin farmland. He enlisted 59 families whose properties fell within the …

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14.3 km

Valley Ford

Highlight • Settlement

Valley Ford, with a population of 147, is a quiet village in the heart of Sonoma County's dairy belt. It was a focal point for art enthusiasts worldwide in the …

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25.3 km

End point

Parking

Way Types & Surfaces

Way Types

24.6 km

515 m

203 m

< 100 m

Surfaces

25.1 km