Caledonia Fish Hatchery, also known as "Spring Brook" and the Seth Green State Hatchery, is a historic fish hatchery and national historic district located at Caledonia in Livingston County, New York.

It is still in use by the state of New York and named for Seth Green (1817-1888), an American pioneer in fish farming and who established the hatchery in 1864.

Located on the property are the contributing main hatchery building (c. 1880), Queen Anne style manager's residence (c. 1889-1890), ice house (c. 1890), "Lake House" (c. 1903), a memorial to Seth Green (1935), and fish ponds originally constructed in the 1930s and 1950s.

[2] It was listed on the National Register of Historic Places in 2015.

This article about a historic property or district in Livingston County, New York, that is listed on the National Register of Historic Places, is a stub.