Vallejo Flour Mill

The Vallejo Flour Mill is a historical grain processing facility near Fremont whose stone ruins stand at the entrance of Niles Canyon. The site displays remains of a large water wheel and foundation pieces that reveal the structure of the former milling operation.

Jose de Jesus Vallejo established the first mill in 1841 on his land to process grain for the growing population. A second building was constructed in 1856, showing that the demand for flour kept increasing.

The mill brought workers and craftspeople to settle in the area as they depended on grain processing and flour trading. It shaped how the community organized itself around the water and the business of milling.

The ruins are located near Niles Canyon Road in Fremont and are easy to reach since they sit at the entrance of a well-known canyon. Visitors can explore the grounds on foot and view the historical remains from different angles.

The water wheel was powered by an ingenious system of dam and aqueduct that channeled water from above to turn the machinery. This technical know-how was unusual for the time and made the mill one of the most advanced facilities in the region.

Location: California

GPS coordinates: 37.57800,-121.96900

Latest update: December 12, 2025 17:44