History and adventure come alive at the Adventure Mining Company. Knowledgeable guides help you explore the depths of a historic copper mine with only helmet lights showing the way. Learn how hard rock miners tunneled through thousands of feet of lava rock to bring native copper out of Adventure Mountain. There are tours for everyone. Basic and intermediate walking tours provide the opportunity to see the underground tunnels, rooms and tools left behind by the miners. Want more adventure? Try rappelling down and 80 ft mine shaft. Extreme adventure can be found exploring the recently dewatered second level of the mine where you can see mine car tracks, equipment, and tools that were hidden underwater for a hundred years. Light jackets and sturdy footwear recommended for all tours. Visit our gift shop featuring a wide selection of locally found and locally processed copper.Adventure Mine clothing and geological specimens from all over the world. Open 9-6 MTWTS, 11-6 Sunday (Eastern) lat May to mid-Oct. Closed Fall Wednesdays. Just off M38 in Greenland, Mi 40 miles south of Houghton, 14 miles east of Ontonagon.