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Henry Cowell, Wilder Ranch, and Nisene Marks
Waterproof printed version
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Mount Diablo · $6.99
This map covers Mount Diablo and the surrounding area. One side includes Mount Diablo State Park, Lime Ridge Open Space, Shell Ridge Open Space, Diablo Foothills Regional Park, and Morgan Territory Regional Preserve. The other side has three separate maps, one of Los Vaqueros Watershed and Round Valley Regional Preserve, one of Black Diamond Mines Regional Preserve, and one of Brushy Peak Regional Preserve.
All official hiking trails were drawn from newly-acquired GPS data with a resolution of about 100 feet. Memorial grove markers, footbridges, panoramic viewpoints, and stairs are shown. Most roads are shown and labeled. In addition, unofficial trails and dirt roads are shown and are greyed out to distinguish them from official hiking trails. We don't recommend that you use these trails, but if you accidentally wander onto one, having it on the map will help you get back on track.
The map is printed on durable waterproof plastic. Wooded areas are indicated in green, developed areas in grey, and 40 foot contour lines are shown. Trail distances are marked and a UTM grid is provided to help with GPS navigation.