| Hales Grove | |
|---|---|
| — Unincorporated community — | |
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Hales Grove
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| Coordinates: | |
| Country | United States |
| State | California |
| County | Mendocino County |
| Elevation[1] | 1,138 ft (347 m) |
Hales Grove (formerly, Monroe and Monroeville)[2] is an unincorporated community in Mendocino County, California.[1] It is located on the South Fork of Mule Creek 11 miles (18 km) south of Piercy,[2] at an elevation of 1138 feet (347 m).[1]
The Monroe post office opened in 1897, and after several moves closed in 1912.[2]