Tours have been suspended for the Summer of 2020. Check back in April of 2021 for 2021 tour schedules.

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Same day tour reservations may be made until 11:30am at Lake Vermilion-Soudan Underground Mine State Park. Tour reservations for Forestville/Mystery Cave State Park and Blue Mounds State Park must be made at least 24 hours in advance.

Learn more about tours on the DNR website.

Registration Fees: There is a $1.00 registration fee that applies to all tickets reserved online ($2.00 through the call center).