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History · Monte Rio

The history of Monte Rio

Monte Rio (Spanish: Monte Río, meaning "River Mountain") is a census-designated place (CDP) in Sonoma County, California, United States, along the Russian River, near the Pacific Ocean. We’re gathering its old postcards, photos and papers from public archives right now.

Photo: Stepheng3

Monte Rio through the years

Every find lands on the timeline as it comes in. Gaps show where the archives go quiet, and where neighbors can help.

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Monte Rio

California · CA
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Monte Rio is your selected town. The feed includes posts assigned to this town, not a distance radius or ZIP code.

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Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/19 · 2025-01-01