Blackduck Lake Fishing
Beltrami County, 2,711 acres, 28 feet deep.
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Blackduck Lake, the basics
Count on 2,711 acres of water at Blackduck Lake, a lake in Beltrami County. The DNR depth record tops out at 28 feet, with an average of 14.6 feet. Roughly 46% of the water (1,243 acres) sits shallower than 15 feet. For supplies, Blackduck sits about 3 miles from the lake point. Management falls to the Bemidji area fisheries office.
DNR sampling has turned up walleye, northern pike, yellow perch, black crappie, bluegill and largemouth bass. The DNR access layer lists 2 public water accesses. DNR crews completed a standard survey on June 3, 2024. Walleye came in at 14.33 per gill net, above the normal range for similar lakes (3.3-8.8). Ice goes out around April 23 in a typical year (56 records).
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Figures are from the June 3, 2024 standard survey, with the normal range for comparable lakes.
| Species | Gear | Caught | Per set | Normal range | Avg lb | Normal lb |
|---|---|---|---|---|---|---|
| Walleye | Standard gill nets | 215 | 14.33 | 3.3-8.8 | 1.7 | 1.2-2.1 |
| Walleye | Standard trap nets | 7 | 0.47 | 0.2-0.8 | 2.58 | 1.0-2.7 |
| Northern pike | Standard gill nets | 113 | 7.53 | 2.8-9.0 | 2.32 | 1.6-2.8 |
| Northern pike | Standard trap nets | 19 | 1.27 | 2.52 | ||
| Yellow perch | Standard gill nets | 898 | 59.87 | 7.0-46.3 | 0.16 | 0.1-0.2 |
| Yellow perch | Standard trap nets | 71 | 4.73 | 0.6-3.5 | 0.14 | 0.1-0.2 |
| Black crappie | Standard trap nets | 1 | 0.07 | 0.4-2.3 | 0.6 | 0.3-0.6 |
| Bluegill | Standard gill nets | 19 | 1.27 | 0.68 | ||
| Bluegill | Standard trap nets | 34 | 2.27 | 4.4-49.0 | 0.67 | 0.1-0.2 |
| Pumpkinseed | Standard trap nets | 48 | 3.2 | 1.8-7.8 | 0.39 | 0.1-0.3 |
| Rock bass | Standard gill nets | 3 | 0.2 | 0.6-3.9 | 0.62 | 0.3-0.5 |
| Rock bass | Standard trap nets | 8 | 0.53 | 0.5-2.5 | 0.44 | 0.3-0.5 |
Gill net results from Blackduck Lake
Minnesota DNR LakeFinder lake survey data, survey report. Checked October 2026.
DNR biologists on Blackduck Lake
“Blackduck Lake is a 2,711-acre lake with a maximum depth of 28 feet.”
“The lake is located 1 mile west of the city of Blackduck in Beltrami County.”
“Public access sites are located on the east shore of the lake off County Road 30 and on the southwest shore off County Road 31.”
“A special regulation consisting of a reduced bag limit of 5 sunfish per day is in effect.”
Quoted from the DNR status of the fishery for Blackduck Lake (report). Checked October 2026.
Reaching Blackduck Lake by boat
- Blackduck Lake, Pine Tree Park Access2 ramps, 22 trailer stalls, 1 dock, toilet, DNR Division of Parks and Trails
- Blackduck Lake, West Access1 ramp, 9 trailer stalls, 1 dock, toilet, DNR Division of Parks and Trails
Landings around Blackduck Lake on the map
- Medicine Lake AccessMedicine, 5 miles west
- Gilstad Lake AccessGilstad, 6 miles southeast
- Benjamin Lake AccessBenjamin, 7 miles southeast
- Gull Lake Access near TenstrikeGull, 8 miles southwest
- Rabideau Lake AccessRabideau, 8 miles southeast
- Sandy Lake Access near TenstrikeSandy, 8 miles west
Minnesota DNR Public Water Access Sites and Public Fishing Sites layers and LakeFinder, checked October 2026.
Shallows and depth on Blackduck Lake
The clarity record for Blackduck Lake holds 4 Secchi readings going back to 2006.
The DNR record shows Blackduck Lake opening as early as March 26, 2012 and as late as May 15, 2013.
DNR LakeFinder morphology and water clarity, DNR ice-out records (ice-out data), checked October 2026.
Blackduck Lake level reading
The DNR lake level record for Blackduck Lake is a manual gauge series, so the latest entry carries its date rather than a live value.
DNR lake level record (datum NGVD 29).
Species the DNR has recorded in Blackduck Lake
DNR survey crews recorded each fish on this Blackduck Lake list.
Minnesota DNR LakeFinder species list and survey catch.
Fish you may keep from Blackduck Lake
For the species listed here, Blackduck Lake follows its own regulations instead of statewide limits.
| Species | Regulation | Where |
|---|---|---|
| Sunfish | Daily limit five. |
| Species | Limit | Season |
|---|---|---|
| Walleye and sauger | 6 combined total (only 1 walleye over 20" in possession) | May 9, 2026 – Feb. 28, 2027 |
| Northern pike (North-central Zone) | 10 (not more than 2 over 26", all from 22-26" must be immediately released) | May 9, 2026 – Feb. 28, 2027 |
| Northern pike (North-central Zone) | 10 (either 2 northern pike over 26" and none from 22 to 26" or 1 from 22 to 26" and 1 over 26") | Nov. 15, 2026 – Feb. 28, 2027 except where prohibited |
| Largemouth bass | Catch-and-release only | March 1 – May 22, 2026 |
| Largemouth bass | 6 combined total largemouth or smallmouth bass (when smallmouth season is open) | May 23, 2026 – Feb. 28, 2027 |
| Smallmouth bass | Catch-and-release only | March 1 – May 22, 2026 |
| Smallmouth bass | 6 combined total largemouth or smallmouth bass | May 23 – Sept. 13, 2026 |
| Smallmouth bass | Catch-and-release only | Sept. 14, 2026 – Feb. 28, 2027 |
| Crappie | 10 combined total | Continuous |
| Sunfish | 20 combined total | Continuous |
| Yellow perch | 20 daily, 40 in possession | Continuous |
| Muskellunge | 1 (minimum size 54") | June 6 – Nov. 30, 2026 |
| Channel catfish | 5 (only 1 over 24") | Continuous |
| Rock bass | 30 | Continuous |
| Cisco (tullibee) | 15 (over 7") | Continuous |
| Burbot (eelpout) | 4 | Continuous |
The pike and bass rows shown are the North-central Zone rows, the zone Blackduck Lake falls in.
2026 Minnesota Fishing Regulations and LakeFinder special regulations, checked October 2026. All Minnesota limits.
Blackduck Lake next to nearby lakes
| Lake | Distance | Acres | Max depth ft | Accesses | Walleye per gill net |
|---|---|---|---|---|---|
| Blackduck Lake | 2,711 | 28 | 2 | 14.33 | |
| Medicine Lake, Beltrami County | 6 miles west | 461 | 44 | 1 | 1.78 |
| Nelson Lake, Beltrami County | 6 miles south | 31 | 30 | 0 | |
| Gilstad Lake | 6 miles southeast | 257 | 55 | 1 | 0.83 |
| Gull Lake near Tenstrike, Beltrami County, 2,256 acres | 6 miles southwest | 2,256 | 23 | 1 | 4.53 |
| Carter Lake | 7 miles south | 31 | 69 | 0 | 1 |
DNR LakeFinder morphology, access layer and latest survey per lake.
Around Blackduck Lake, up close
Lakes worth a look near Blackduck Lake
- Medicine Lake, Beltrami County6 miles west
- Nelson Lake, Beltrami County6 miles south
- Gilstad Lake6 miles southeast
- Gull Lake near Tenstrike, Beltrami County, 2,256 acres6 miles southwest
- Carter Lake7 miles south
Tackle stops on the way to Blackduck Lake
- Timberline Sports, Incsporting goods store, Blackduck, 3 miles
- Trapper's Bait Shopbait and tackle shop, Bemidji, 12 miles
- Venture Custom Rodsbait and tackle shop, Bemidji, 14 miles
- Big Dick'sfarm and general store with fishing supplies, Kelliher, 17 miles
- Northwoods Bait & Tacklebait and tackle shop, Bemidji, 18 miles
- Stone's Bait Servicebait and tackle shop, Northome, 19 miles
Overnight bases for Blackduck Lake
- Blackduck3 miles
- Tenstrike6 miles
- Funkley10 miles
Counties surrounding Blackduck Lake
- Beltrami Countyseat: Bemidji
Piscifun reels to pack for Blackduck Lake
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Reader questions on Blackduck Lake
How far is Blackduck Lake from a city?
It lies in Beltrami County, managed from the Bemidji fisheries office, about 3 miles from Blackduck.
How much surface water does LakeFinder give Blackduck Lake?
2,711 acres, 28 feet at the deepest.
Can I trailer a boat onto Blackduck Lake?
There are 2 public accesses; Blackduck Lake, Pine Tree Park Access is the largest.
Does Blackduck Lake have walleye?
The DNR has recorded walleye, northern pike, yellow perch, black crappie, bluegill, largemouth bass and lake whitefish.
How recent is the Blackduck Lake survey?
Most recently on June 3, 2024 (standard survey). walleye ran 14.33 per gill net.
Does Blackduck Lake have special regulations?
Sunfish: Daily limit five.
Is a trout stamp needed on Blackduck Lake?
Minnesota residents 16 to 89 need an angling license ($25 for the year); nonresidents 16 and older pay $51.
What is the water clarity of Blackduck Lake?
Median ice-out is April 23; the last recorded ice-out was April 24, 2026.
Is there a bait and tackle stop near Blackduck Lake?
Timberline Sports, Inc is nearest at 3 miles.
Head for Blackduck Lake
License fees and every statewide limit are on the license page.