Alta Loma, Rancho Cucamonga, California

Alta Loma (Spanish for "Tall Hill") is one of three unincorporated areas that became part of the city of Rancho Cucamonga, California, United States in 1977.

Residents of Alta Loma and Etiwanda finally agreed to incorporation provided their identifying community names would be kept along with separate post offices and ZIP codes.

Overgrown brush fueled fire, which ran across the mountain tops and higher foothills to eventually fly into the canyons that are surrounded by homes.

Most of the homes in the foothills of Alta Loma and Etiwanda sit on alluvial fans punctuated by deep debris canyons.

Cucamonga Canyon in particular is a favorite among hikers,[6] although dangerous due to the rough terrain, loose rocks, possible flooding, poison oak, bears, mountain lions, rattlesnakes, bobcats, and other wildlife.

Snow-capped San Gabriel Mountains above Alta Loma as seen from Sapphire Street and Thoroughbred Street.
Cucamonga Peak looms over Alta Loma which lies along the foothills of the Southern face of the San Gabriel Mountains
Burned area of Cucamonga Canyon, near water basin, at western end of Banyan Street in Alta Loma. San Bernardino County unincorporated land. Grand Prix Fire, 25 October 2003.
P-40 Warhawk like those flown by the Flying Tigers
The Demens-Tolstoy Estate on Hillside and Archibald
The Sam Maloof house at the top of Carnelian Street
San Bernardino County map