Bale Grist Mill State Historic Park
Bale Mill | |
| Location | Napa County, California |
|---|---|
| Nearest city | St. Helena, California |
| Coordinates | 38°32′29″N 122°30′30″W / 38.54139°N 122.50833°W |
| Area | 5 acres (2.0 ha) |
| Built | 1846 |
| NRHP reference No. | 72000240 |
| CHISL No. | 359 |
| Added to NRHP | June 22, 1972 |
Bale Grist Mill State Historic Park is a California state park located in Napa County between St. Helena and Calistoga. The park is the site of a water-powered grist mill that was built in 1846 is one of only two water-driven mills remaining west of the Mississippi River.