Subsequently in 1830, the Mohave's trail became part of what became the Main Route or Central Route of the Old Spanish Trail, linking up with it from the north 12 miles west of the Colorado River in Piute Valley and following it westward to the link up with Armijo's route at the Mojave River mouth, and later with a shortcut from Salt Spring through Bitter Spring and Spanish Canyon at a point just east of Yermo.