Hill Annex Mine State Park

By Jim Umhoefer
Trails Reporter

Itasca County. Just off Highway 169 in Calument. Follow the signs to the Hill Annex Mine Clubhouse.

Highway map index: J-8.

One of Minnesota's newest parks is a 500-foot-deep hole in the ground. The Hill Annex Mine, listed on the National Register of Historic Places, was one of the nation's largest open-pit mines, generating over 64 million tons of iron ore during its 66-year existence.

Visitors can experience the immensity of the mine by taking a 90-minute trolley bus tour, which travels over 300 feet down into the pit. There is an admission charge for the daily tours offered at regular intervals. Read more:

No campsites are available in the park.

Nearby Businesses:


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