Overview
Grandfather Flowage 2295 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
- Hook and line fishing is open all year for fish species except muskellunge, lake sturgeon, trout, paddlefish and threatened or endangered species. Motor Trolling is allowed with 1 hook, bait, or lure per angler, and 3 hooks, baits, or lures maximum per boat.
Special Species Regulations
- Urban waters gamefish: This waterbody is not considered an urban water, Urban Waters Gamefish regulations do not apply.
- Walleye: See Walleye, Sauger, and Hybrids.
- Sauger and hybrids: See Walleye, Sauger, and Hybrids.
- Longnose gar: See Rough Fish.
- Hybrid, Striped, Yellow, and White Bass: See Rock, Yellow and White Bass.
- Flathead catfish: See Catfish.
- Walleye, Saugers, and Hybrids: Open all year: 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
- Shortnose gar: See Rough Fish.
- Crappies: See Panfish.
- Channel catfish: See Catfish.
- Bowfin: See Rough Fish.
- Bluegill: See Panfish.
- White perch: Open all year: The daily bag limit is 0, one may be killed and possessed for transport to a WDNR Office
- Trout and salmon: See Trout regulations layer.
- Shovelnose sturgeon: Closed. No fishing allowed.
- 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: See Largemouth and Smallmouth Bass.
- Largemouth bass: See Largemouth and Smallmouth Bass.
- Panfish: Open all year: No minimum length limit and the daily bag limit is 25
- Largemouth bass and smallmouth bass: Open all year: The minimum length limit is 14” and the daily bag limit is 5
- Northern pike: Open all year: 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 40” and the daily bag limit is 1
- Lake sturgeon: Closed. No fishing allowed.
- Cisco and whitefish: Open all year: No minimum length limit and the daily bag limit is 10
- Catfish: Open all year: No minimum length limit and the daily bag limit is 10
- Bullheads: Open all year: No minimum length limit and the daily bag limit is unlimited
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Fish Species
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.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.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.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.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.
