Castle Rock, Minnesota
# Castle Rock, Minnesota

Castle Rock is an unincorporated community in Castle Rock Township, Dakota County, Minnesota, United States.

## Geography

Castle Rock is 7 miles (11 km) north of Northfield. Nearby places also include Farmington and Randolph. State Highway 3 (MN 3) is nearby.

## Nomenclature

The community is named for a local rock formation at the point where 275th Street and Cambodia Avenue join, on private property. The formation, known to Dakota Native Americans as Inyan Bosdata or "Rock Standing on End", was also the namesake of the nearby Inyan Bosdata Wakpa, known today as the Cannon River.

## History

A post office called Castle Rock was first established in 1858. The community took its name from Castle Rock Township.

## Education

The community has a school, Prairie Creek Community School.

