Here are my favorite mountain bike trails in the Bay Area:\n\n-Upper Stevens Creek which hooks up to the Montbello Preserve in the Cupertino/Saratoga Foothills\n-St. Joseph's Hill in Los Gatos\n-Fort Ord / Laguana Seca near Montery\n-Wilder Ranch in Santa Cruz\n-Nisene Marks in Santa Cruz\n-Fremont Older in Cupertino/Saratoga
What are the best single tracks for Mt. biking in the bay area?