Girl Lake
Cass County, Minnesota - DNR stocking history, depth and survey data
Minnesota · Minnesota Department of Natural Resources (DNR) · DOW 11017400
DNR records show 9 stocking entries at Girl Lake since 2016, most recently walleye fry in 2025 (136,740 fish).
- Girl Lake has 9 DNR stocking records across 9 years (2016-2025): walleye (9).
- The most-stocked species by count is walleye: 1,233,955 fish on record.
- Maximum depth 81 ft; surface area 428 acres, 272 littoral acres, 9.4 miles of shoreline, per the DNR lake survey.
- Average water clarity (Secchi depth) 14.8 ft.
- Fish species DNR lists here: black bullhead, black crappie, bluegill, bowfin (dogfish), brown bullhead, green sunfish, hybrid sunfish, largemouth bass, muskellunge, northern pike, pumpkinseed, rock bass, and 6 more.
- 1 public access on the DNR list.
- Most recent DNR fish survey: (standard survey).
- Cass County, nearest town Longville; DNR lake number (DOW) 11017400.
Depth map
Bathymetric contours from the Minnesota DNR lake survey mapped 7/11/1990 (orig map); depths in feet. Simplified for the web; not for navigation.
Stocking history
| Year | Species | Size | Number | Pounds |
|---|---|---|---|---|
| 2025 | Walleye | fry | 136,740 | 1.2 |
| 2024 | Walleye | fry | 137,025 | 1.2 |
| 2023 | Walleye | fry | 137,700 | 1.1 |
| 2022 | Walleye | fry | 137,025 | 1.2 |
| 2021 | Walleye | fry | 136,475 | 1.1 |
| 2019 | Walleye | fry | 136,000 | 1.1 |
| 2018 | Walleye | fry | 139,880 | 1.1 |
| 2017 | Walleye | fry | 136,350 | 1.1 |
| 2016 | Walleye | fry | 136,760 | 1.1 |
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
| Type | Owner | Where |
|---|---|---|
| concrete ramp | city | PUBLIC ACCESS LOCATED IN LONGVILLE. |
DNR fish survey, 2024
| Species | Gear | Catch per net | Total catch | Avg lb |
|---|---|---|---|---|
| Northern pike | Standard gill nets | 9.89 | 89 | 1.79 |
| Bluegill | Standard gill nets | 8.78 | 79 | 0.14 |
| Black crappie | Standard gill nets | 3.44 | 31 | 0.39 |
| Yellow bullhead | Standard gill nets | 2.56 | 23 | 0.56 |
| Walleye | Standard gill nets | 2.00 | 18 | 2.35 |
| Largemouth bass | Standard gill nets | 1.67 | 15 | 0.91 |
| Pumpkinseed | Standard gill nets | 1.44 | 13 | 0.14 |
| Yellow perch | Standard gill nets | 1.44 | 13 | 0.10 |
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.
Girl Lake is a 428-acre lake with 9.4 miles of shoreline and a maximum depth of 81 feet located in Longville, MN. A city owned public access is located on the east shore. The MNDNR has classified Minnesota's lakes into 43 different classes based on physical, chemical, and other characteristics. Moccasin Lake is in Lake Class 25; lakes in this class are medium sized, moderately deep, irregularly shaped, and clear. Other Class 25 lakes in the Walker area include Birch (DOW# 11-0143), Blackwater (DOW# 11-0274), Inguadona (DOW# 11-0120), and Long (DOW# 11-0142). The lake is primarily managed for Bluegill, Black Crappie, Largemouth Bass, Northern Pike, Walleye, and Yellow Perch and secondarily for Muskellunge and Tullibee (Cisco). A 24 to 36 inch protected slot regulation on Northern Pike was implemented in 2003 with the objective of increasing the percentage of northern pike 24 inches or longer in the Woman Lake chain (Child, Girl, Little Woman, and Woman lakes). The purpose of this survey was to evaluate Walleye stocking and the status of Northern Pike, Walleye, and Yellow Perch populations. Northern Pike are abundant in Girl Lake and near the upper management goal. Northern Pike ranged in length from 13 to 35 inches with an average length of 20 inches. Walleye abundance below the minimum management goal of four fish per gill net however, within historic ranges. Walleye ranged in length from 13 to 27 inches with an average length of 19.0 inches. Yellow Perch numbers were below the minimum management goal of five fish per gill net and have remained low since 2016. Black Crappie ranged in length from 4 to 11 inches with and average length of 9.0 inches. Bluegill averaged 6 inches long and ranged from 4 to 9 inches. Largemouth Bass ranged in length from 7 to 18 inches with an average length of 11 inches. Other species sampled were Brown Bullhead, Hybrid Sunfish, Pumpkinseed Sunfish, Rock Bass, Smallmouth Bass, Yellow Bullhead, and White Sucker. People can have significant impacts on lakes and the fish populations they support. Harvest, lakeshore development, removal of shoreline vegetation, and introductions of invasive species can all adversely affect fish populations. Currently the aquatic invasive species (AIS) identified in Girl Lake are Zebra Mussels, Rusty Crayfish, Purple Loosestrife, Curly-leaf Pondweed, and Eurasian Watermilfoil. AIS are moved from infested to non-infested waters by anglers, boaters, and lake shore owners and can adversely impact lakes and fish populations. To avoid spreading AIS, lake users are required to remove all aquatic plants…
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; contours are the DNR bathymetric survey. Regulations, slot limits and special rules are on the DNR page linked above, not here.
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