Hill-Annex Mine State Park - map and other informations


Hill-Annex Mine State Park is a hidden gem located in Calumet, Minnesota. This unique state park offers visitors a chance to step back in time and explore the history of iron mining in the region. Established in 1988, the park encompasses over 500 acres of land and includes the former Hill-Annex Mine, which operated from 1913 to 1978.


The Hill-Annex Mine was once one of the largest open-pit iron ore mines in the United States. It played a significant role in the development of Minnesota's iron mining industry and provided employment opportunities for many local residents. Today, visitors can learn about the mine's history through interpretive displays and guided tours.


Hill-Annex Mine State Park offers a variety of activities for visitors of all ages. One of the main attractions is the mine tour, where knowledgeable guides take you on a journey through underground tunnels and explain how iron ore was extracted from the earth. The tour provides a fascinating glimpse into the life of a miner and offers insights into the challenges they faced on a daily basis.

In addition to the mine tour, visitors can also enjoy hiking and nature walks along scenic trails that wind through forests and around old mining pits. The park has picnic areas with tables and grills, making it an ideal spot for a family outing or a leisurely lunch surrounded by nature.

Fishing enthusiasts will be pleased to know that Hill-Annex Mine State Park features two fishing lakes stocked with trout, bass, and panfish. Whether you prefer casting your line from shore or taking out a boat, there are plenty of opportunities to reel in a catch.


The park offers several amenities to ensure visitors have an enjoyable experience. There is a visitor center where you can learn more about the park's history and pick up maps and brochures. Restrooms are available for public use, and there are also picnic shelters that can be reserved for group gatherings.

Camping is not currently available within Hill-Annex Mine State Park, but there are nearby campgrounds and lodging options for those who wish to extend their stay in the area.

Plan Your Visit

Hill-Annex Mine State Park is open year-round, although some facilities may have limited hours during the winter months. Admission to the park is free, but donations are appreciated to help support its maintenance and preservation.

The park is located approximately 3 miles east of Calumet on County Road 63. It is easily accessible by car, with ample parking available near the visitor center.

Frequently Asked Questions (FAQ) about Hill-Annex Mine State Park

Can I bring my own fishing gear?

Yes, visitors are welcome to bring their own fishing gear. However, please note that a valid Minnesota fishing license is required for anyone over the age of 16.

Are pets allowed in the park?

Yes, pets are allowed in Hill-Annex Mine State Park as long as they are kept on a leash at all times. Owners are also responsible for cleaning up after their pets.

Are there any guided tours available?

Yes, guided tours of the mine are available during the summer months. It is recommended to check the park's website or call ahead for tour schedules and availability.

Average weather in Hill-Annex Mine State Park

Temp max Temp min Rain Snow
Jan -8 °C -16 °C 2 mm 15 mm
Feb -7 °C -16 °C 2 mm 17 mm
Mar 3 °C -7 °C 15 mm 17 mm
Apr 9 °C -1 °C 45 mm 18 mm
May 17 °C 7 °C 90 mm 2 mm
Jun 23 °C 13 °C 102 mm 0 mm
Jul 25 °C 17 °C 100 mm 0 mm
Aug 24 °C 16 °C 79 mm 0 mm
Sep 20 °C 12 °C 84 mm 0 mm
Oct 11 °C 4 °C 61 mm 5 mm
Nov 2 °C -4 °C 17 mm 15 mm
Dec -5 °C -12 °C 7 mm 28 mm

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