Shadow Valley is a north to northwest flowing drainage within the Mojave Desert of San Bernardino County, California.[ Feature Detail Report for: Shadow Valley] A section of Interstate 15 passes through the valley between Mountain Pass and Halloran Springs.[ Map of the Mojave National Preserve, NPS] The valley drains to the north from the west flank of the Mescal Range, the Ivanpah Mountains and, Cima Dome within the Mojave National Preserve.[ North of I-15 the valley lies between Clark Mountains to the east and Shadow Mountains to the west.][ To the north of Shadow Mountain, Kingman Wash becomes the main drainage and turns to the west south of the Kingston Range.][ The Mesquite Mountains and the Mesquite Valley are to the northeast.][ Ivanpah, California—Nevada, 30x60 Minute Topographic Quadrangle, USGS, 1985][ Mesquite Lake, California—Nevada, 30x60 Minute Topographic Quadrangle, USGS, 1985]