Diamond Lake   Be the first to submit input for Diamond Lake. If you have info on Diamond Lake, Merced County, California please submit it here to improve this web site.          These outdoors activities are available near Diamond Lake.   Public Lands Near Diamond Lake: San Luis Reservoir State Park, California, 12 miles away Pacheco State Park, California, 13 miles away Los Banos Creek Resevoir State Park, California, 18 miles away Pinnacles National Monument, Paicines - CA, 29 miles away   Camp Grounds Near Diamond Lake: Coyote Springs Area Campground, Merced County, 4 miles away Whistler Point Area Campground, Merced County, 5 miles away George Hatfield State Recreation Area, Merced, 10 miles away   Hotels Near Diamond Lake: Best Western Andersen's Inn, Santa Nella, 14 miles away Holiday Inn Express SANTA NELLA, Santa Nella, 14 miles away Best Western San Benito Inn, Hollister, 16 miles away Hilton Garden Inn Gilroy, Gilroy, 24 miles away Sun Star Inn, Los Banos, 24 miles away   Whitewater Near Diamond Lake: Coyote Creek, Santa ClaraCounty, 18 miles away       Class II - 4.9 miles long (Gilroy Hot Springs Road to Coyote Reservoir)