Section Thirty is an unincorporated community in Fall Lake Township, Lake County, Minnesota, United States, located four miles east of Ely and two miles southeast of Winton.

Minnesota State Highway 169 is nearby.

Section Thirty is located within both the Superior National Forest and Bear Island State Forest.

The boundary line between Lake and Saint Louis counties is nearby, along the western edge of the section and township.

This article about a location in Lake County, Minnesota is a stub.