NPS
2018-2020 Wolves and the Isle Royale Environment Report (6.6 MB PDF)
Explore all the land and water activities the park offers.
Moose are the largest mammal on Isle Royale.
Wolves have been the apex predator on Isle Royale since 1948.
Wolves, moose, and beavers play important roles in Isle Royale's ecosystem.
Wolves have been a part of the island's wilderness for decades, so why relocate?
Nineteen wolves were relocated to Isle Royale from the Great Lakes Region.
Last updated: March 29, 2024
800 East Lakeshore Drive Houghton, MI 49931
906 482-0984