page_title: Alta Loma, Rancho Cucamonga, California
section_title: Landmarks
hierarchical_section_title: Alta Loma, Rancho Cucamonga, California / Landmarks
caption_attribution_description: English: The Demens-Tolstoy Estate in Alta Loma, California, USA.
context_page_description: Alta Loma is one of three unincorporated areas that became part of the city of Rancho Cucamonga, California, United States in 1977. The community is located at 34.15°N 117.60°W in the foothills of the south face of the San Gabriel Mountain range, near Cucamonga Peak and Mount San Antonio. Its ZIP codes are 91701 and 91737. Elevation ranges from 1,400 feet to 3,000 feet. The name comes from the Spanish words for "high hill." Alta Loma had previously been known as "Iamosa".
caption: The Demens-Tolstoy Estate on Hillside and Archibald
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