Stone's Ferry is a former Mormon settlement and ferry crossing of the Colorado River between Nevada and Arizona, in Clark County, Nevada. It was variously located during its history from the mouth of the Virgin River to 6 miles below the mouth of the Virgin River, opposite the Detrital Valley which provided an easy path into and out of the canyon of the Colorado River from the south and to and from the north through the Virgin and Muddy Valleys to Nevada and Utah. Subsequently it was moved up river to a location, opposite Detrital Wash, which is its current GNIS location determined in an 1875 survey.