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Historical Markers in Beaumont
Riverside is the county seat for Riverside County
Beaumont is in Riverside County
ADJACENT TO RIVERSIDE COUNTY San Bernardino County (454) ► La Paz County, Arizona (33) ►
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| On 8th Street at California Avenue, on the left when traveling west on 8th Street. |
| Near Interstate 10 1.3 miles west of Oak Valley Parkway, on the right when traveling west. |
Nov. 10, 2026