This collection of links contains useful information on open space preserves located in the County of Marin.
This small preserve sits beside the Worn Springs Fire Road at the edge of lands.
This preserve is the largest link (899 acres) in a chain of preserves.
This coastal preserve 1077 acres in size.
Contains a variety of habitats including grasslands, bay/oak woodlands.
Lush preserve, tucked into the hills above Fairfax, is one of the true gems of Marin.
No longer a true island, this preserve rises above the eastern edge of Novato.
The south-facing slope above the western end of the San Geronimo Valley.
The sight of horses grazing on hillside has been a landmark for decades.
The spectacular views and the sense of solitude make the climbing worthwhile.
One of the best preserves to visit during a summer heat wave.
Has variety of trails and roads in this preserve that offer loop hikes.
Home to amphibians like California Giant Salamanders and Ensatinas.
See Western Tiger Swallowtail butterflies during spring and summer.
Spectacular views of the entire Bay Area throughout.
Forms a contiguous band of undisturbed open space.
Has much of the south-facing slope rising above what is now known as Lucas Valley.
Along the way, visitors pass through lush grasslands.
A 504 acre preserve forms a contiguous band of undisturbed open space.
One of the most valuable pieces of real estate on the planet.
Overlooking the heart of the beautiful San Geronimo Valley.
Perhaps the most popular asset of this 522 acre preserve.
Santa Venetia Marsh
33 acre preserve features a small patch of salt marsh surrounded by a levee.
Small 15 acre preserve that is least used, but most visible among all MCOSD lands.
During spring, this landscape is quite picturesque.