Gaskin Lake

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

Minnesota · Minnesota Department of Natural Resources (DNR) · DOW 16031900

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

• Gaskin Lake shows no stocking records in Minnesota DNR LakeFinder as of September 2, 2026.
• Maximum depth 82 ft; surface area 372 acres, 104 littoral acres, 12.9 miles of shoreline, per the DNR lake survey.
• Average water clarity (Secchi depth) 9.4 ft.
• 1 public access on the DNR list.
• Most recent DNR fish survey: August 21, 2024 (targeted survey).
• Cook County, nearest town Maple Hill; DNR lake number (DOW) 16031900.

Depth map

Bathymetric contours from the Minnesota DNR lake survey mapped 7/18/1939 (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 Gaskin Lake on August 21, 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 (Lake Whitefish and Cisco also present). 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 36.1 feet, and the dissolved oxygen concentration never decreased to below 3.0 mg/L at the time of sampling. The thickness of this layer of water in the water column was 19.7 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 never reached because the dissolved oxygen remained above 3.0 mg/L throughout the sampled depths. The temperature at the bottom of the lake was 7.1 degrees C (44.8 degrees F). Instances in which the dissolved oxygen does not reach below 3.0 mg/L and temperature remains below 8.8 degrees C, indicate that oxythermal conditions were suitable for Lake Trout at the time of the survey. Data collected by the Minnesota Department of Natural Resources from 1990-2023 during the late summer thermal stress period indicated suitable oxythermal habitat in years surveyed, with the least favorable conditions recorded in 2012 when the suitable habitat layer thickness was 6.3 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 21, 2024.

All Minnesota stockings · every Minnesota lake with a page · state CSV · this lake on DNR LakeFinder