Gabimichigami Lake

Gabimichigami Lake comes in at a B on the grading rubric — a respectable showing for a Minnesota lake of its size and depth.

Trophically, Gabimichigami Lake reads as oligotrophic — nutrient-poor, clear, and ecologically more sensitive to disturbance than richer lakes. Gabimichigami Lake is unusually deep for Minnesota at 209 ft, which buffers the lake against summer warming and helps the deep water stay oxygenated. Gabimichigami Lake covers 1,186 acres alongside 15.3 miles of shoreline, large enough that conditions can vary meaningfully between bays. Among the 128 graded lakes in Cook County, Gabimichigami Lake sits at rank 62, above the county median.

No invasive species are currently listed at Gabimichigami Lake — the lake remains off the Minnesota infested-waters roster. The state fisheries records do not list documented species for Gabimichigami Lake, which usually reflects a lack of formal fisheries survey work rather than an empty lake. The lake lacks a documented public access point, so visitor use is limited. The grade is based on limited monitoring — fewer than three independent measurement years contribute, so future updates may shift the letter.