The best road cycling routes in San Venetia Marsh Open Space Preserve
4.5
(119)
6,456
riders
87
rides
Last updated: October 6, 2025
5.0
(5)
377
riders
1. Nicasio Reservoir loop from Marin Civic Center — Marin County
80.2km
03:50
980m
980m
Expert road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
4.2
(5)
166
riders
Intermediate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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5.0
(4)
77
riders
3. Nicasio – Stafford Lake Park loop from Marin Civic Center
61.4km
02:41
580m
580m
Intermediate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
67
riders
4. Alpine Lake – Alpine Dam loop from Marin Civic Center
63.1km
03:28
1,230m
1,230m
Expert road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
35
riders
5. Nicasio – Nicasio Reservoir loop from Marin Civic Center
50.0km
02:12
450m
450m
Intermediate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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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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