Yuma To San Luis Obispo
Yuma To San Luis Obispo
Regional map of Yuma crossing to Mission San Luis Obispo.

The Anza colonizing expedition route from Yuma to San Gabriel Mission through the Imperial Valley and Borrego Desert was the major challenge of the trip. Anza and Garces had previously traveled the route on their exploratory journey two years before. The availability of water, forage, and firewood were key ingredients for a successful expedition.

Courtesy of US National Park Service. Meredith Kaplan, Superintendent of Anza National Historic Trail.
Source: US National Park Service