Big Thunder Gold Mine Tour — Keystone, South Dakota

Discover the Big Thunder Gold Mine Tour in South Dakota

Located in Keystone, South Dakota, near Mount Rushmore in the Black Hills, the Big Thunder Gold Mine Tour takes visitors underground into an authentic 1890s gold mine. This guided mining tour explores historic tunnels where miners once searched for gold during the Black Hills Gold Rush.

Visitors descend into the mine with knowledgeable guides who explain mining techniques, demonstrate historic drilling equipment, and share stories about the challenges and dangers faced by gold miners working deep beneath the Black Hills.

Why it’s special: Big Thunder Gold Mine allows visitors to walk through original mining tunnels while learning about the history of gold mining in one of the most famous gold rush regions in the United States.

History & Story of Big Thunder Gold Mine

Big Thunder Gold Mine was originally developed in the 1890s during the peak of the Black Hills gold rush. The mine produced gold-bearing ore that helped fuel the rapid growth of mining towns throughout the region.

After mining operations ceased, the mine was preserved and opened to visitors as an educational attraction, offering a rare opportunity to experience the underground environment where miners once worked in search of gold.

What You’ll See & Do on the Big Thunder Gold Mine Tour

• Descend into historic underground mining tunnels
• Learn about drilling, blasting, and ore extraction methods
• Watch demonstrations of mining tools used during the gold rush
• See mineral formations and gold-bearing rock underground
• Hear stories about life and work in the Black Hills mining camps
• Try gold panning after the tour

Hands-On Elements: Visitors can pan for gold and keep any gold flakes they find.

Photo/Video Policy: Photography permitted throughout the tour.

Souvenirs & Extras: Gift shop offering gold panning supplies, Black Hills souvenirs, and mining-themed merchandise.

Pricing of the Big Thunder Gold Mine Tour

Adult price: $15 per adult

Gold panning is typically included with admission.

Visiting information for Big Thunder Gold Mine Tour

Duration: Approximately 45–60 minutes

Age limits: All ages welcome

Accessibility: Underground tunnels involve walking and uneven surfaces

Working Hours: May–September Daily 9:00 AM – 6:00 PM; April & October Daily 10:00 AM – 5:00 PM; November–March Closed

Tours depart regularly throughout the day during the operating season.

Nearby attractions to Big Thunder Gold Mine Tour

• Mount Rushmore National Memorial
• Rushmore Tramway Adventures
• Keystone Historic District

FAQs About Visiting the Big Thunder Gold Mine Tour

How deep underground does the tour go?
The tour takes visitors into historic mining tunnels beneath the Black Hills.

Is gold panning included with the tour?
Yes. Visitors can try gold panning after the underground tour.

Is the mine close to Mount Rushmore?
Yes. Keystone is located only a few miles from Mount Rushmore National Memorial.

Is the tour suitable for children?
Yes. The tour is family-friendly and educational.

Do visitors need special equipment?
No. Safety helmets are provided and guides lead the tour.