Hayes Lake State Park is a state park in northwestern Minnesota, United States, near the city of Roseau.

Black bears are residents of the northern forest and are seen by visitors occasionally in this park. Other mammalian species that roam in and around this park are moose, fisher, porcupine, bobcat, river otter, raccoon, deer, beaver, red fox, marten, Canadian lynx, mink, and timber wolf. Loons, herons, grebes, and other water birds can be observed by bird watchers along the shoreline.

• Hayes Lake State Park