Upper Post Lake

Upper Post Lake

Size
766ac
Boat Launch
Yes
Carry-in Launch
No
Toilet
No
Boat Dock
No
Species in Upper Post Lake
Walleye
Walleye
Smallmouth bass
Smallmouth bass
Perch
Perch
Northern pike
Northern pike
Rock bass
Rock bass
Bluegill
Bluegill
Largemouth bass
Largemouth bass
Crappie
Crappie
Muskellunge
Muskellunge
Pumpkinseed
Pumpkinseed

Overview

There are not a lot of muskie available here, but the ones you'll find are big. On the north end of Upper Post are 2 miles of navigable water through the mouth of the Wolf River. This water holds bass, pike, panfish and muskie.

Upper Post Lake Map

Fishing Regulations

Special Fishing regulations: This lake has special fishing regulations that differ from statewide or border water regulations for those species identified below and take precedence. Regulations listed below are currently in place. Visit the fishing regulations page for links to upcoming regulations for specific lakes.

Special Waterbody Regulations

  • This lake may be in more than 1 county. Follow the trolling regulations for the county in which you are fishing. A list of counties and waters that allow motor trolling with 3 hooks, baits, or lures per angler can be found at http://dnr.wi.gov/topic/fishing/questions/troll.html. All other waters allow motor trolling with 1 hook, bait or lure per angler, and no more than 2 hooks, baits, or lures per boat.

Special Species Regulations

  • Crappies: See Panfish.
  • Walleye, Saugers, and Hybrids: May 3, 2025 to March 1, 2026: The minimum length is 15”, but walleye, sauger, and hybrids from 20” to 24” may not be kept, and only 1 fish over 24” is allowed. The daily bag limit is 3
  • Bullheads: Open all year: No minimum length limit and the daily bag limit is unlimited
  • Catfish: Open all year: No minimum length limit and the daily bag limit is 10
  • Cisco and whitefish: Open all year: No minimum length limit and the daily bag limit is 10
  • Lake sturgeon: Closed. No fishing allowed.
  • Muskellunge and hybrids: May 24, 2025 to December 31, 2025: The minimum length limit is 40” and the daily bag limit is 1
  • Northern pike: May 3, 2025 to March 1, 2026: The minimum length limit is 26” and the daily bag limit is 2
  • Largemouth bass and smallmouth bass: June 21, 2025 to March 1, 2026: The minimum length limit is 14” and the daily bag limit is 5
  • Largemouth bass: May 3, 2025 to June 20, 2025: The minimum length limit is 14” and the daily bag limit is 5
  • Smallmouth bass: May 3, 2025 to June 20, 2025: Fish may not be harvested (catch and release only)
  • Paddlefish: Closed. No fishing allowed.
  • Rock, Yellow, and White Bass: Open all year: No minimum length limit and the daily bag limit is unlimited
  • Rough fish: Open all year: No minimum length limit and the daily bag limit is unlimited
  • Round goby: Open all year: The daily bag limit is 0, one may be killed and possessed for transport to a WDNR Office
  • Ruffe: Open all year: The daily bag limit is 0, one may be killed and possessed for transport to a WDNR Office
  • Shovelnose sturgeon: Closed. No fishing allowed.
  • Trout and salmon: See Trout regulations layer.
  • White perch: Open all year: The daily bag limit is 0, one may be killed and possessed for transport to a WDNR Office
  • Bluegill: See Panfish.
  • Bowfin: See Rough Fish.
  • Channel catfish: See Catfish.
  • Panfish: Open all year: No minimum length limit and the daily bag limit is 25
  • Flathead catfish: See Catfish.
  • Hybrid, Striped, Yellow, and White Bass: See Rock, Yellow and White Bass.
  • Longnose gar: See Rough Fish.
  • Sauger and hybrids: See Walleye, Sauger, and Hybrids.
  • Walleye: See Walleye, Sauger, and Hybrids.
  • Urban waters gamefish: This waterbody is not considered an urban water, Urban Waters Gamefish regulations do not apply.
  • Shortnose gar: See Rough Fish.

Forage

Shiners and juvenile panfish.
Waterbody poster background

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Fish Species

Bluegill
fish
5-9 in
Length Range
6 in
Length Range
2021
Surveyed
Abundance (CPUE)
Low
2021
Surveyed
Electro
Catch Method
47.5
0Statewide Range849.0614

Upper Post Lake Bluegill abundance

Average range for similar lakes

Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2021
Apr
2021
Jun
Trophy Potential
This lake has a history of supporting trophy sized bluegill based on past surveys.
Survey YearLargest Fish (in)
20219
Crappie
fish
5-9 in
Length Range
6 in
Length Range
2021
Surveyed
Abundance (CPUE)
Below Avg.
2021
Surveyed
Electro
Catch Method
15
0Statewide Range84.8403

Upper Post Lake Crappie abundance

Average range for similar lakes

Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2021
Apr
2021
Jun
Largemouth bass
fish
8-21 in
Length Range
15 in
Length Range
2023
Surveyed
Abundance (CPUE)
Low
2023
Surveyed
Electro
Catch Method
6.5635
0Statewide Range111.1888

Upper Post Lake Largemouth bass abundance

Average range for similar lakes

Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2022
Sep
2023
Sep
Muskellunge
fish
29-30 in
Length Range
30 in
Length Range
2022
Surveyed
Abundance (CPUE)
Low
2022
Surveyed
Electro
Catch Method
0.4838
0Statewide Range6.56125

Upper Post Lake Muskellunge abundance

Average range for similar lakes

Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2021
Jun
2022
Sep
Northern pike
fish
8-21 in
Length Range
15 in
Length Range
2023
Surveyed
Abundance (CPUE)
Above Avg.
2023
Surveyed
Electro
Catch Method
6.5635
0Statewide Range16.72075

Upper Post Lake Northern pike abundance

Average range for similar lakes

Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2022
Sep
2023
Sep
Perch
fish
5-9 in
Length Range
6 in
Length Range
2021
Surveyed
Abundance (CPUE)
Outlier
2021
Surveyed
Trapnet
Catch Method
2.056
0Statewide Range0.7271

Upper Post Lake Perch abundance

Average range for similar lakes

Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2021
Apr
2021
Jun
Pumpkinseed
fish
5-9 in
Length Range
6 in
Length Range
2021
Surveyed
Abundance (CPUE)
Low
2021
Surveyed
Electro
Catch Method
3.75
0Statewide Range84.67115

Upper Post Lake Pumpkinseed abundance

Average range for similar lakes

Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2021
Apr
2021
Jun
Rock bass
fish
5-8 in
Length Range
6 in
Length Range
2021
Surveyed
Abundance (CPUE)
Low
2021
Surveyed
Trapnet
Catch Method
0.0776
0Statewide Range1.625

Upper Post Lake Rock bass abundance

Average range for similar lakes

Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2008
May
2021
Apr
Smallmouth bass
fish
8-21 in
Length Range
15 in
Length Range
2023
Surveyed
Abundance (CPUE)
High
2023
Surveyed
Electro
Catch Method
10.3141
0Statewide Range80.5292

Upper Post Lake Smallmouth bass abundance

Average range for similar lakes

Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2022
Sep
2023
Sep
Trophy Potential
This lake has a history of supporting trophy sized smallmouth-bass based on past surveys.
Survey YearLargest Fish (in)
202119
201818
201618
Walleye
fish
8-21 in
Length Range
15 in
Length Range
2023
Surveyed
Abundance (CPUE)
High
2023
Surveyed
Electro
Catch Method
68.917
0Statewide Range75.60845

Upper Post Lake Walleye abundance

Average range for similar lakes

Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2022
Sep
2023
Sep
Trophy Potential
This lake has a history of supporting trophy sized walleye based on past surveys.
Survey YearLargest Fish (in)
202128