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Moss Rock
Size: 20 acres
Location: Marsh Creek- Morgan Territory area

new marsh creek bridge panorama

Save Mount Diablo’s newest acquisition, Moss Rock, is located in the narrow canyon just south of the northern end of old Finley Road and the Morgan Red Corral, the twenty acre property was purchased on December 17, 2010 for $425,000, just 28 days after signing a purchase deal.

new marsh creek bedMoss Rock includes one of the highest quality and prettiest stretches of the Marsh Creek riparian corridor.  Like the nearby Morgan Red Corral property, this one is easy to locate by a landmark, its green steel rail-car bridge.  We’re considering auctioning off the bridge name to an “Angel” who agrees to donate $100,000 or more.

The creek banks are heavily wooded with large bay trees along with an understory of native plants including snowberry and wild rose.  The streambed is strewn with boulders covered by deep green moss - the property's name sake. Compared to lower elevation and lazier stretches, upper Marsh Creek drops quickly from Morgan Territory Regional Preserve through a boulder strewn, heavily wooded and shaded canyon squeezed between Highland and Morgan Territory Ridges. 

The creek's cascades create water velocities strong enough to flush sediments off rock strata and create small gravel flood plains.  Rocks grinding against each other in faster flows tend to eliminate fish in favor of amphibians such as the threatened California red-legged frog. In addition to the red-legged frog, the property is probably habitat for the threatened Alameda whipsnake and the endemic Mount Diablo fairy lantern.

Dry CreekA gravel road crosses the creek via the rail-car bridge and provides easy access to upper parts of the dense oak-bay woodland that otherwise characterizes this steep hilly property. Clearings interspersed among the trees provide outstanding views of the canyon, surrounding hills and Mount Diablo.

This little gem is a highly strategic purchase. In addition to preventing development on several cleared home sites, the parcel is surrounded on three sides by other public open space. Its location, just below Mount Diablo State Park’s Morgan Ridge Trail near its intersection with the Diablo Trail, offers exciting opportunities to access the regional trail system. The former house pads might be useful for a remote camp site serving the regional trails.

Over the next few years SMD hopes to restore the areas cleared for house pads and remove debris accumulated in the creek from illegal dumping to ultimately make this place a much-loved community landmark.

In January 2012, Joseph Galvin Ranch and Moss Rock were transferred to East Bay FRegional Park District for long-term mangament and public access. The properties will be added to Morgan Territory Regional Preserve. Read the press release for more information.

Save Mount Diablo's properties are closed to the public except by guided tour. Please see our Hike Schedule for upcoming dates and opportunities. Watch of video of the Land Committee performing Due Diligence on the Latest Acquisition.


dry creek oaks new marsh creek property map

LTAC_Seal
  Credits | Legal StatementCopyright 2012 Save Mount Diablo. Designed by Alison Martin. Funded by Clif Bar.