Gabimichigami Lake

Cook County, Minnesota - DNR stocking history, depth and survey data

Minnesota · Minnesota Department of Natural Resources (DNR) · DOW 16081100

Gabimichigami Lake has no DNR stocking rows in LakeFinder; this page carries its DNR depth, access and survey data.

• Gabimichigami Lake shows no stocking records in Minnesota DNR LakeFinder as of September 2, 2026.
• Maximum depth 209 ft; surface area 1,186 acres, 144 littoral acres, 15.3 miles of shoreline, per the DNR lake survey.
• Average water clarity (Secchi depth) 13.3 ft.
• 1 public access on the DNR list.
• Most recent DNR fish survey: August 6, 2024 (targeted survey).
• Cook County, nearest town Tofte; DNR lake number (DOW) 16081100.

Depth map

Bathymetric contours from the Minnesota DNR lake survey mapped 5/19/1980 (orig map); depths in feet. Simplified for the web; not for navigation.

Public accesses

DNR fish survey, 2024

Temperature and dissolved oxygen measurements were collected in the deepest basin in Gabimichigami Lake on August 6, 2024, to evaluate the quantity and quality of cold, oxygenated water (i.e., oxythermal habitat) available to Lake Trout, the most sensitive coldwater species present in this lake. During the summer, Lake Trout require a layer of oxythermal habitat that contains water temperatures below 8.8 degrees C (47.8 degrees F) and dissolved oxygen concentrations above 3.0 mg/L. Based on the profile from the deepest basin, the water temperature dropped below 8.8 degrees C (47.8 degrees F) at 33.3 feet, and the dissolved oxygen concentration decreased to 3.0 mg/L at 142.7 feet at the time of sampling. The thickness of this layer in the water column was 109.3 feet, indicating that oxythermal habitat was present for Lake Trout. Further, the temperature at which dissolved oxygen decreased to 3.0 mg/L (i.e., TDO3, a single variable to characterize oxythermal habitat) was 5.0 degrees C (41.0 degrees F). TDO3 values cooler than 8.8 degrees C (47.8 degrees F) indicate that oxythermal conditions were suitable for Lake Trout at the time of the survey. Data collected by the Minnesota Department of Natural Resources in 1982 during the late summer thermal stress period indicated suitable oxythermal habitat during that year. Data were also collected outside the thermal maximum period in 2015, this data indicated suitable conditions during that sampling period. The least favorable oxythermal habitat conditions were recorded in 2015, outside the peak summer stress period, when the suitable habitat layer thickness was 63.1 feet. When inadequate oxythermal habitat is available, Lake Trout are squeezed into unfavorable, warmer water conditions and experience higher levels of stress.

Minnesota DNR survey narrative, August 6, 2024.

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