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Governor Kristi Noem and Secretary Jim Hagen present the 2020 George S. Mickelson Award to Sandi McLain of Big Thunder Gold Mine, Keystone, at the 2021 Governor's Conference on Tourism.

Latest News!

While not only being one of South Dakota's Great Places to visit, in 2020 Big Thunder Gold Mine also received the George S. Mickelson Award given to one business for there exemplary job of exceeding visitors’ expectations in customer service. To read the entire article visit .





Quality ApprovedFamily

• Easy Walking Tour
• Picnic Area
• Group Rates
• Safe & Clean
• Wheelchair Accessible
• Pet Friendly

Big Thunder Gold Mine is perfect for people of all ages, races and abilities.

Facilities are well lit, do not have stairs and are entirely accessible to people with disabilities and wheelchairs.