Grand Portage Lake

About Grand Portage Lake

Grand Portage Lake in Iron County, Wisconsin, offers a seasonal escape with its modest size and moderate depth. Covering 148 acres and reaching depths around 33 feet, this lake balances open water with a variety of underwater environments. The lake's quiet nature and surrounding natural features provide a peaceful retreat throughout the year. Situated near Mercer, WI, Grand Portage Lake invites visitors to enjoy its calm waters and scenic setting. Its moderate depth supports a mix of aquatic habitats, making it an interesting spot for those who appreciate a blend of shoreline and open water experiences.

Surface area

148 acres

Maximum depth

33 feet

Lake-Link Score

49.4

Member rating

2.6 (5)

Fish species

Largemouth Bass, Muskie, Northern Pike, Panfish, Smallmouth Bass, Walleye

Fishing Grand Portage Lake

Quality fishing opportunities abound at Grand Portage Lake, where anglers can find a mix of popular species. The lake supports healthy populations of largemouth and smallmouth bass, along with muskie and northern pike. Panfish and walleye add to the variety, making it a versatile destination for different angling preferences. While the lake's fish tend to be on the smaller side, it offers steady action, especially in springtime. The diversity of species and the lake's moderate depth create an engaging fishing environment for both casual and more dedicated anglers.

Ice fishing

Ice fishing on Grand Portage Lake is a seasonal highlight, with a variety of species available beneath the frozen surface. Anglers can expect to find panfish, northern pike, and walleye during the colder months, making it a rewarding winter fishing destination in Wisconsin.