Bothin Marsh Preserve – Marincello Trail loop from Mill Valley

Bothin Marsh Preserve – Marincello Trail loop from Mill Valley

Hard

2.6

(25)

riders

Bothin Marsh Preserve – Marincello Trail loop from Mill Valley

02:55

34.3km

780m

Gravel riding

Hard gravel ride. Very good fitness required. Mostly paved surfaces. The starting point of the route is accessible with public transport.

Last updated: November 9, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Marin Headlands

Waypoints

Start point

Bus stop

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3.24 km

Bothin Marsh Preserve

Highlight • Natural

This tidal sanctuary runs along the Mill Valley-Sausalito Pathway and the Charles F. McGlashan Pathway. More than 400 species of migratory birds rest here after their long flights, and if …

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7.25 km

Old Springs Trail

Highlight (Segment) • Trail

Great singletrack that is also perfectly rideable on a gravel bike. The trail is most fun riding in the northern direction into Tennessee Valley.

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16.0 km

Marincello Trail

Highlight (Segment) • Trail

Marincello Trail climbs from the Tennessee Valley parking/trailhead to the top of the ridge separating it from Rodeo Valley. While climbing out of Tennessee Valley it offers spectacular views of …

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18.5 km

The paved Tennessee Valley road ends here at this popular trailhead, deep in the Marin Headlands. A central junction of several trails heading north or south along the Miwok or other hilly trails, or flat down to the beach

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20.4 km

Coastal Trail

Highlight (Segment) • Trail

This section of Coastal Trail between Coyote Ridge Trail and Upper Tennessee Valley Trail is locally known as 'Hurt Locker' for its steepness. It is of course fun if you're …

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28.8 km

Tennessee Valley 🌲 Charles F McGlashan Pathway

Highlight (Segment) • Cycleway

Starting as a wooden boardwalk branching off from the Sausalito-Mill Valley Bike Trail, the Charles F McGlashan Pathway crosses the busy Hwy 1 and then parallels Tennessee Valley Road

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31.7 km