Union Mine Trail is a 1.5 mile lightly trafficked loop trail located near Ontonagon, Michigan that features a river and is rated as moderate. The trail is primarily used for hiking and is best used from May until October.
Following the 1850's journal entries of the original miner, the many placards on the Union Mine Interpretive Trail guide the hiker through the various sites and seasons of the mine's history. The forest around this trail is very old and undisturbed, and makes for a beautiful hike. You will see virgin Hemlock and Sugar Maples on this hike as well.