Lime Ridge Open Space

This protected land has over 2700 acres of oak woodlands, grassland savannah and chaparral and is one of the largest city owned open spaces in the Bay Area. The land is home to Lime Ridge (chaparral).  Mountain biking (on paved trails or dirt trails over 8 feet wide) are available in the open space.  Street parking is available. There are no restrooms or drinking water.


Dogs must be leashed at all times.

Operating Hours

Open to the public during daylight hours only.




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3713 Citrus Ave

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From CA 24/680 in Contra Costa County, exit Ygnacio Valley Road (exit 46b). Drive east on Ygnacio Valley Road for about 6 miles, then turn north (left) onto Oak Grove Rd. Drive one block, then turn right on Citrus Avenue. Drive about 1 mile north on Citrus Ave, and park on the side of the street near where the Contra Costa Canal Trail crosses the road.  Contra Costa County buses will bring you within walking distance of the preserve.

Contact Info

For more information about the different areas in the open space: call the Ranger Stations: Howe Homestead Park (925-943-5899 ext. 3521); Shell Ridge (925-943-5899 ext. 2162); and Sugarloaf (925-943-5899 ext. 2665).