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Tanner Lake

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

Minnesota · Minnesota Department of Natural Resources (DNR) · DOW 38025500

DNR records show 6 stocking entries at Tanner Lake since 2019, most recently walleye fingerlings in 2024 (1,320 fish).

Stocking history

YearSpeciesSizeNumberPounds
2024Walleye2fingerlings1,32055.0
2023Walleye2fingerlings1,00355.0
2022Walleye2fingerlings1,79552.8
2021Walleye2fingerlings1,81354.1
2020Walleye2fingerlings93555.0
2019Walleye2fingerlings1,32055.0

2 fish purchased by the DNR for stocking.

Field note · Minnesota stocks by year, not by truck day: walleye fry go in within weeks of ice-out, fingerlings and yearlings mostly in fall, and stream trout in spring and fall. A row here means the fish went in during that year; DNR adds the year's rows after the fact, so the current year can look empty until winter.

Public accesses

TypeOwnerWhere
CAUSFSigned access off Wanless Road. Near Divide Lake Access.
CAUSFUser made access 100 yards east of signed access on Wanless Road.
CAUSFMaintained access 20 yards west of Laurentian Divide sign on Wanless Road.

DNR fish survey, 2022

SpeciesGearCatch per netTotal catchAvg lb
Yellow perchStandard gill nets27.33820.13
WalleyeStandard gill nets12.00361.83
Golden shinerStandard gill nets1.3340.06
White suckerStandard gill nets1.0032.49
Yellow perchTrapnet - Mini Fyke19.00380.00
Golden shinerTrapnet - Mini Fyke2.5050.00

Catch per net (CPUE) is the DNR survey's count per gill net or trap net set; higher means more of that species were sampled, not a fishing forecast. Top species per gear shown; where we have no verified common name for a DNR code, the code itself is shown.

Tanner Lake is located about five miles east of Isabella and is 55 acres in size with a maximum depth of 9 feet. Access is one of three short carry down trails from USFS 172 (Wanless Road) although there is no pull off area for unloading gear. The best access is about 75 yards east of the Divide Lake access. Parking is available at the Divide Lake access or campground. Walleye became the primary management species in Tanner Lake in 2018 when annual fingerling stocking began. The 2022 gill net catch of 12/lift was higher than average compared to similar lakes. The average weight was 1.8 pounds, which is in the normal range compared to similar lakes. Both catch and average size exceeded management goals. The average length was 17.5 inches with the largest fish sampled measuring 21.5 inches. Survey results suggest the 2018 and 2019 fingerling stocking was successful with these fish currently providing anglers with good opportunities for Walleye 14 to 20 inches long. The Yellow Perch gill net catch of 27/lift is above average compared to other similar lakes. Most of the catch was between 5.5 and 7.3 inches with less than 4% greater than 10 inches. These results suggest the lake currently supports an abundant population of small perch with limited opportunities for angler harvest. Other important forage species sampled were White Sucker, Golden Shiner and Pearl Dace.

Minnesota DNR survey narrative, .

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

Stocking rows, depths, accesses and survey figures are Minnesota DNR LakeFinder data as of 2026-09-02. Regulations, slot limits and special rules are on the DNR page linked above, not here.

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