Minnesota · DNR survey data

Greenstone Lake

Greenstone Lake covers 332 acres in Lake County, running to 72 feet, last surveyed by the DNR in 2024. The Minnesota DNR has not published bathymetry for this lake, so there is no depth map here, just the survey record: what the nets held and how big it ran.

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DNR survey data

Fish species

Species
How many
Survey numbers
Lengths
WalleyeStocked · 2025
Fair numbers
3.9per gill net
17"Typical
23"Biggest
8"23"

Lengths measured · 35 fish

Recent · 2024
7"10"15"20"24"

Lengths measured · 35 fish

2024
7"10"15"20"24"

Lengths measured · 45 fish

2019
7"10"15"20"24"

Lengths measured · 29 fish

2014
7"10"15"20"24"

Lengths measured · 43 fish

2009
7"10"15"20"24"
Largemouth bass
Present (last recorded 2019)
0.1per trap net
Typical
16"Biggest
Northern pike
Just a few
3.4per gill net
23"Typical
30"Biggest
15"30"

Lengths measured · 31 fish

Recent · 2024
13"15"20"25"30"32"

Lengths measured · 31 fish

2024
13"15"20"25"30"32"

Lengths measured · 32 fish

2019
13"15"20"25"30"32"

Lengths measured · 17 fish

2014
13"15"20"25"30"32"

Lengths measured · 23 fish

2009
13"15"20"25"30"32"
Bluegill
Present
1.9per gill net
4"Typical
7"Biggest
3"7"

Lengths measured · 17 fish

Recent · 2024
3"4"6"7"

Lengths measured · 17 fish

2024
3"4"6"7"

Lengths measured · 78 fish

2019
3"4"6"7"

Lengths measured · 14 fish

2014
3"4"6"7"

Lengths measured · 29 fish

2001
3"4"6"7"
Yellow perch
Fair numbers
1.4per gill net
6"Typical
6"Biggest
5"6"

Lengths measured · 13 fish

Recent · 2024
4"6"7"

Lengths measured · 13 fish

2024
4"6"7"

Lengths measured · 6 fish

2019
4"6"7"

Only 6 fish measured that year — too few to read as a shape.

Lengths measured · 14 fish

2014
4"6"7"

Lengths measured · 7 fish

2009
4"6"7"

Only 7 fish measured that year — too few to read as a shape.

Rock bass
Good numbers
2.3per gill net
6"Typical
8"Biggest
3"8"

Lengths measured · 21 fish

Recent · 2024
3"4"6"8"

Lengths measured · 21 fish

2024
3"4"6"8"

Lengths measured · 12 fish

2019
3"4"6"8"

Lengths measured · 11 fish

2014
3"4"6"8"

Lengths measured · 18 fish

2009
3"4"6"8"

Rates come from standard DNR survey gear (gill nets, trap nets, electrofishing), judged against statewide benchmarks for the same gear — which is why the same number of fish per net can read differently for two species. Where the standard gear can't count a species reliably, the page shows presence and size only. Typical is the middle fish of those measured. Open a row for the full length spread, survey by survey. You can read every number on this page without an app or an account.

DNR stocking records

Stocking history

YearSpeciesStocked
2025Walleye131,000 fry
2023Walleye131,000 fry
2021Walleye131,000 fry
2019Walleye131,000 fry
2017Walleye144,000 fry

Recent reports

Greenstone Lake fishing reports

Recent reports on Greenstone Lake from guides, tournaments and regular anglers. Anything posted in the last two weeks also bumps the matching spots on the live map, so you'll see a "matches a recent report" tag on them.

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Lake County reports

Within 30 miles

Nearby lakes

Quick answers

Frequently asked questions

Is there a depth map for Greenstone Lake?

The Minnesota DNR has not published bathymetry for Greenstone Lake, so this page carries the survey record instead: species, catch rates and stocking history.

What fish are in Greenstone Lake?

The most recent DNR survey (2024) recorded walleye, largemouth bass, northern pike, bluegill, yellow perch, rock bass.

Is Greenstone Lake stocked?

Yes. The DNR stocked walleye in 2025; the stocking table on this page lists every year back to 2017.

When was Greenstone Lake last surveyed?

The Minnesota DNR last surveyed Greenstone Lake in 2024, the most recent of 9 surveys on record.

Survey numbers are the Minnesota DNR's. How this site reads them →

Page updated .