Island Conditions as of 5/16/13
The snow is gradually leaving and the inland lakes are opening up. South facing slopes are 25% or less snow covered, while north facing slopes are starting to see more bare ground. As conditions improve standing water will be common. More »
Commercial Use Authorizations
The application period for Commercial Use Authorizations will be January 1 through May 15. If you are requesting to conduct Educational Guided Tours or Guided Tours, click here.
If you want to conduct Commercial activities within Isle Royale National Park, please follow the instructions contained in these documents.
If your requesting a Commercial Use Authorization for Guided Backpacking Trips, click here.
Those requesting a Commercial Use Authorization for Kayak Excursions, click here.
Those that are requesting to provide Sport Fishing Charters, click here.
Those that are requesting to conduct Sport Diving Charters (SCUBA), click here.
Did You Know?
The Greenstone Ridge, which forms the backbone of Isle Royale, is thought by many geologist to be a portion of the largest lava flow on earth.