Big Thunder Gold Mine is perfect for people of all ages, races and abilities. It’s the must-see gold mining experience in the Black Hills. They’re located in Keystone, South Dakota at 604 ...

Big Thunder Gold Mine is perfect for people of all ages, races and abilities. It’s *the must-see gold mining experience in the Black Hills. They’re open now until October 31st.

Welcome to Big Thunder Gold Mine! Big Thunder Gold Mine is the safest and most maintained mine in the Keystone, SD mining district. It contains most types of rocks, structures and minerals ...

Q&A with Sandi McLain, president of Big Thunder Gold Mine, 604 Blair St., Keystone; 666-4847 ...

Deep in the heart of the Black Hills, where history and adventure intertwine, lies Big Thunder Gold Mine—a perfect summer destination packed with excitement for the whole family. Step back in time as ...