Peloncillo National Forest was established as the Peloncillo Forest Reserve in Arizona and New Mexico on November 15, 1906 with 178,977 acres (724.29 km2). It became a National Forest on March 4, 1907. On July 1, 1908 it was combined with the Chiricahua National Forest and the name was discontinued. Its lands presently exist as part of the Coronado National Forest.