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Santa Ana Mountains
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Santa Ana Mountains
Santa Ana Mountains Santa Ana Mountains, southern California.

Santa Ana Mountains

mountains, California, United States
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•History

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UPDATE: Weather alert issued for Southern California Friday evening, says the NWS • Oct. 23, 2026, 3:00 AM ET (The Sacramento Bee)
Weather alert announced for strong thunderstorms in the Orange County and Santa Ana Mountains area Wednesday evening • Oct. 21, 2026, 8:52 PM ET (The Orange County Register)
UPDATE: High wind warning for Santa Ana Mountains and Foothills anticipated to expire at noon • Oct. 17, 2026, 3:09 PM ET (The Sacramento Bee)

Santa Ana Mountains, segment of the Coast Ranges (see Pacific mountain system), southern California, U.S. The range extends for about 25 miles (40 km) from the Santa Ana River southward along the Orange-Riverside county line. Lying south and east of the city of Santa Ana, the mountains rise to their highest point at Santiago Peak, an elevation of 5,687 feet (1,733 metres). They lie within a division of Cleveland National Forest. The western part of the mountains contains Limestone Canyon and Whiting Ranch Wilderness Park, and on the eastern edge is Glen Ivy Hot Springs.

This article was most recently revised and updated by Amy Tikkanen.
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