Ultimate Guide to Millie Hill Bat Cave, Michigan (Tours, Pricing, History, Map)
The Iron Mountain in the Upper Peninsula is home to Millie Hill Bat Cave. As the name suggests, this cave is full of bats. It is not an actual ‘cave’ but an abandoned mine shaft that has become the hibernating and breeding ground for many species of bats. People usually come here in April or September to watch the bats […]








Recent Comments