Overview
Most action here is centered around the downed timber, deep rock piles and steep drop-offs. The clear water and general lack of vegetation dictates more finesse fishing for walleye, muskie and smallies.
Katherine 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
- Catch and release fishing for largemouth and smallmouth bass is open year round unless otherwise noted. Motor Trolling is allowed with 1 hook, bait, or lure per angler, and 3 hooks, baits, or lures maximum per boat.
Special Species Regulations
- Catfish: Open all year: No minimum length limit and the daily bag limit is 10
- Sauger and hybrids: See Walleye, Sauger, and Hybrids.
- Shortnose gar: See Rough Fish.
- Urban waters gamefish: This waterbody is not considered an urban water, Urban Waters Gamefish regulations do not apply.
- Walleye: See Walleye, Sauger, and Hybrids.
- Channel catfish: See Catfish.
- Lake sturgeon: Closed. No fishing allowed.
- Cisco and whitefish: Open all year: No minimum length limit and the daily bag limit is 10
- Bowfin: See Rough Fish.
- Ruffe: Open all year: The daily bag limit is 0, one may be killed and possessed for transport to a WDNR Office
- Round goby: Open all year: The daily bag limit is 0, one may be killed and possessed for transport to a WDNR Office
- Rough fish: Open all year: No minimum length limit and the daily bag limit is unlimited
- Rock, Yellow, and White Bass: Open all year: No minimum length limit and the daily bag limit is unlimited
- Paddlefish: Closed. No fishing allowed.
- Smallmouth bass: May 3, 2025 to June 20, 2025: Fish may not be harvested (catch and release only)
- Largemouth bass: May 3, 2025 to June 20, 2025: No minimum length limit. The daily bag limit is 5
- Largemouth bass and smallmouth bass: June 21, 2025 to March 1, 2026: No minimum length limit. The daily bag limit is 5
- Northern pike: May 3, 2025 to March 1, 2026: No minimum length limit and the daily bag limit is 5
- Muskellunge and hybrids: May 24, 2025 to December 31, 2025: The minimum length limit is 50” and the daily bag limit is 1
- 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.
- Shovelnose sturgeon: Closed. No fishing allowed.
- Bullheads: Open all year: No minimum length limit and the daily bag limit is unlimited
- Trout and salmon: See Trout regulations layer.
- Panfish: Open all year: No minimum length limit and the daily bag limit is 25
- Crappies: See Panfish.
- Flathead catfish: See Catfish.
- Hybrid, Striped, Yellow, and White Bass: See Rock, Yellow and White Bass.
- Walleye, Saugers, and Hybrids: May 3, 2025 to March 1, 2026: The minimum length is 18”, but walleye, sauger, and hybrids from 22” to 28” may not be kept. The daily bag limit is 1
- Longnose gar: See Rough Fish.
Forage
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Fish Species
Katherine Lake Bluegill abundance
Average range for similar lakes
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.| Survey Year | Largest Fish (in) |
|---|---|
| 2023 | 9 |
Katherine Lake Crappie abundance
Average range for similar lakes
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.Katherine Lake Largemouth bass abundance
Average range for similar lakes
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.| Survey Year | Largest Fish (in) |
|---|---|
| 2018 | 20 |
Katherine Lake Muskellunge abundance
Average range for similar lakes
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.| Survey Year | Largest Fish (in) |
|---|---|
| 2024 | 49 |
| 2023 | 50 |
Katherine Lake Perch abundance
Average range for similar lakes
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.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.Katherine Lake Rock bass abundance
Average range for similar lakes
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.Katherine Lake Smallmouth bass abundance
Average range for similar lakes
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.| Survey Year | Largest Fish (in) |
|---|---|
| 2023 | 18 |
Katherine Lake Walleye abundance
Average range for similar lakes
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.| Survey Year | Largest Fish (in) |
|---|---|
| 2023 | 28 |
| 2018 | 29 |
