Cowling Arboretum is an arboretum of 800 acres (320 ha) adjacent to Carleton College in Northfield, Minnesota.^[1] It is located on a natural border between prairie and forest habitat,^[2] and in part on the floodplain of the Cannon River, and is open to the public without any fees.^[1]

The Arboretum was established by Donald J. Cowling and Harvey E. Stork in the 1920s for education, conservation, and recreation.^[3] It is a Minnesota State Game Refuge, with some 10 miles (16 km) of trails, and displays both native and non-native trees and shrubs.