Relief shown by 100m contour lines and spot heights. Shows local access roads, private and fire roads, trials, camp grounds, picnic grounds, streams, countour lines Trails indexed for points of interest. Includes "Location map," index, and illustration. Text and illustration on verso. "Sponsored and distributed by Mt. Diablo Interpretive Association, Diablo, California." "Featured Trails are Shown in Red" "No dogs are allowed on trails with Mt. Diablo State Park"