Mount Rubidoux (1,399 feet [426 metres]) is a popular site for slab rock climbing. Other area recreational attractions include Lake Perris State Recreation Area, Mockingbird Canyon, and Sycamore Canyon Park. Inc. city, 1883. Pop. (2010) 303,871; RiversideāSan BernardinoāOntario Metro Area, 4,224,851; (2020) 314,998; RiversideāSan BernardinoāOntarioā¦
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