Stony Lake (Cass County)
Cass County, Minnesota - DNR stocking history, depth and survey data
Minnesota · Minnesota Department of Natural Resources (DNR) · DOW 11037100
DNR records show 5 stocking entries at Stony Lake (Cass County) since 2016, most recently walleye fry in 2024 (180,090 fish).
- Stony Lake (Cass County) has 5 DNR stocking records across 5 years (2016-2024): walleye (5).
- The most-stocked species by count is walleye: 197,363 fish on record.
- Maximum depth 50 ft; surface area 563 acres, 178 littoral acres, 6.6 miles of shoreline, per the DNR lake survey.
- Average water clarity (Secchi depth) 22.8 ft.
- Fish species DNR lists here: black crappie, bluegill, hybrid sunfish, largemouth bass, northern pike, pumpkinseed, rock bass, smallmouth bass, walleye, white sucker, yellow bullhead, yellow perch.
- 1 public access on the DNR list.
- Most recent DNR fish survey: (standard survey).
- Cass County, nearest town Hackensack; DNR lake number (DOW) 11037100.
Depth map
Bathymetric contours from the Minnesota DNR lake survey; depths in feet. Simplified for the web; not for navigation.
Stocking history
| Year | Species | Size | Number | Pounds |
|---|---|---|---|---|
| 2024 | Walleye | fry | 180,090 | 1.5 |
| 2022 | Walleye2 | fingerlings | 5,728 | 179.0 |
| 2020 | Walleye | yearlings | 4,140 | 180.0 |
| 2018 | Walleye2 | fingerlings | 2,834 | 172.7 |
| 2016 | Walleye2 | fingerlings | 4,571 | 179.0 |
2 fish purchased by the DNR for stocking.
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 | Minnesota DNR | ON SOUTH SIDE OF LAKE OFF TWP ROAD. |
DNR fish survey, 2023
| Species | Gear | Catch per net | Total catch | Avg lb |
|---|---|---|---|---|
| Northern pike | Standard gill nets | 24.00 | 216 | 1.41 |
| Yellow perch | Standard gill nets | 3.89 | 35 | 0.10 |
| Rock bass | Standard gill nets | 3.67 | 33 | 0.68 |
| Bluegill | Standard gill nets | 2.56 | 23 | 0.09 |
| Walleye | Standard gill nets | 1.67 | 15 | 1.99 |
| Largemouth bass | Standard gill nets | 1.22 | 11 | 1.40 |
| Black crappie | Standard gill nets | 1.11 | 10 | 0.74 |
| Yellow bullhead | Standard gill nets | 1.00 | 9 | 0.51 |
| Bluegill | Standard trap nets | 13.33 | 120 | 0.20 |
| Rock bass | Standard trap nets | 3.56 | 32 | 0.53 |
| Black crappie | Standard trap nets | 2.44 | 22 | 0.47 |
| Pumpkinseed | Standard trap nets | 1.44 | 13 | 0.10 |
| Hybrid sunfish | Standard trap nets | 0.56 | 5 | 0.50 |
| Northern pike | Standard trap nets | 0.44 | 4 | 1.96 |
| Yellow bullhead | Standard trap nets | 0.33 | 3 | 0.88 |
| Walleye | Standard trap nets | 0.22 | 2 | 5.83 |
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.
Stony Lake is a 563-acre lake with 6.58 miles of shoreline and a maximum depth of 50 feet located east of Hackensack, MN. A Minnesota Department of Natural Resources (MNDNR) owned public access is located on the south shore. The DNR has classified Minnesota's lakes into 43 different classes based on physical, chemical, and other characteristics. Stony Lake is in Lake Class 23; lakes in this class are generally deep and very clear lakes. Other Lake class 23 lakes in the Walker Area include Mule, Man Horseshoe, and Long lakes. Stony Lake possesses a highly developed shoreline. The lake is primarily managed for Walleye and Smallmouth Bass and secondarily for Black Crappie, Largemouth Bass, Northern Pike, and Yellow Perch. Walleye abundance failed to meet the long-range management for the third consecutive survey. Walleye lengths ranged from 12 to 28 inches with a mean length of 18 inches. Northern Pike are abundant, exceeding the maximum management goal the past 2 surveys. Sampled pike ranged in length from 9 to 38 inches with a mean length of 19 inches. Black Crappie abundance and size met long-range management goals, and lengths ranged from 5 to 12 inches with a mean length of 10 inches. Bluegill abundance was similar to recent surveys and lengths ranged from 3 to 10 inches. Largemouth Bass ranged in length from 5 to 15 inches. Yellow Perch abundance has remained below management goals since 2005. Other fish sampled in Stony Lake included, Hybrid Sunfish, Pumpkinseed, Rock Bass, Smallmouth Bass, White Sucker, and Yellow Bullhead. 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, no aquatic invasive species (AIS) have been identified in Stony Lake. 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 or animals from their watercraft and drain all water from their boat before leaving the access. If you suspect an infestation of an invasive species in this lake, save a specimen and report it to a local natural resource office. Additional information on all of these topics can be found on the DNR website (www.dnr.state.mn.us) or by contacting the Walker Area Fisheries office.
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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