2023 Map of San Carlos Reservoir

About this map

The San Carlos Reservoir dominates this landscape, where the San Carlos River feeds into the impounded waters at the convergence of Gila, Pinal, and Graham counties. The terrain is defined by a series of deep drainages and canyons, including Willow Spring Canyon and Santa Teresa Canyon, which cut through the high ground south of the water. High points like Mt Geronimo and Rockhouse Mtn stand as prominent landmarks in the southern reach of the quadrangle. Sparse infrastructure is concentrated along the southern shoreline, where Indian Rte 3 and the winding Coolidge Dam Rd provide access to the remote backcountry. Water sources such as Quail Spring, Evans Spring, and Wire Corral Spring are critical markers for anyone tracing the historical movement of people and livestock through this arid environment.