CalTopo Export Export from CalTopo Marble Canyon Road The 1.8mi (2.9km) road requires a 4x4, high clearance vehicle due to small boulders and tight corners through the rocky wash. Great spot to cache water if you are willing to drive a little extra. clampToGround 1 -117.32583348328183,36.62573224030031,0 -117.3248628526926,36.62612593732774,0 -117.32083769515157,36.6265772189945,0 -117.31921571306884,36.627328572794795,0 -117.31188741512597,36.6277926787734,0 -117.31013643555343,36.62874972447753,0 -117.30904771015048,36.6297769267112,0 -117.30751222930849,36.63005688227713,0 -117.307154154405,36.63030347786844,0 -117.30540032498538,36.63081628270447,0 -117.30371061712503,36.63097746670246,0 -117.30175671167672,36.630712766200304,0 -117.29847217909992,36.63113814778626,0 -117.29790958575904,36.630980568006635,0 -117.29628265835345,36.63138843141496,0 -117.29599222540855,36.631816579028964,0 -117.29593547992408,36.6319218557328,0 -117.29571530285574,36.63197986618308,0