4 wheel anza borrego balboa park beach belmont boardwalk bocce ca vibes cake carlsbad chaos city cliffs clown brigade coronado crust curvy desert dirt downtown drop dunes elevation changes erg fancyfancyfancy fine flats gentle geo-caching golden hill gopher holes grass gravel grove gunshots habitat restoration hard pack hardpack haunted hazards hills historic hotel del coronado huge ib ice plant imperial beach jungle bocce knolls liberty station long bocce long game long shots maybe-dont mira mesa mission beach mission hills mission valley mixed used space native plants no-homeless ocean beach off leash dogs old heads open space palm grove palm trees park pg-tips picnic picnic tables point loma public transportation rocky rolling hills roots rough san diego bay sand sand lions sandtrap sdsu river park shell crunch sidewalks slow hills sophie bell stones support thick-grass tijuana estuary tiny top shelf traditional tree ceiling university heights views volleyball wood chips