Serpentine is less than 2% of the land area of California but accounts for about 15% of the rare plants.
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This annual outing showcases several of this Marin County Open Space Preserve’s rare plants, including the Tiburon mariposa lily (Calochortus tiburonensis).
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Kent Pump Road offers a beautiful, gentle, and biodiverse hike through the Lagunitas Creek Watershed and the upper reaches of Kent Lake.
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The Old Stage Road passes through mixed evergreen forest into a chaparral area that alternates between serpentine rock and greywacke sandstone with sharp contrast between the different rock and soil types.
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This field trip is an easy walk with East Bay, Marin, and San Francisco views. We will walk the Saddle and Bog Trails.
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