Long Lake
Cass County, Minnesota, near Hackensack. DNR lake ID 11039500.
Long Lake is a 58.5-acre lake in Cass County, Minnesota, near Hackensack. Its deepest point reaches 43 ft, and about 80% of the lake is shallower than 15 feet. Summer water clarity averages 9.3 feet in Minnesota Pollution Control Agency monitoring. It is not on the DNR infested waters list as of September 2026. DNR surveys document northern pike, largemouth bass, black crappie, bluegill.
Buying or selling on Long Lake? Ask us what lakeshore here actually sells for, which stretches of shoreline buyers compete for, and what’s coming up before it’s listed.
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Quick facts
| DNR lake ID | 11039500 |
|---|---|
| County | Cass County, near Hackensack |
| Surface area | 58.5 acres |
| Maximum depth | 43 ft |
| Share under 15 ft | 80% |
| Water clarity (summer) | 9.3 ft through 2025 (satellite estimate) |
| Invasive species | Not on DNR infested waters list (Sept 2026) |
| Public water accesses | 0 |
Water quality
Summer averages from Minnesota Pollution Control Agency monitoring through 2025: clarity 9.3 ft.
Fishing on Long Lake
The most recent DNR standard fish survey was in 2014 (12 years ago). Catch per net is compared with the DNR’s typical range for lakes of the same type.
| Species | Net | Catch per net | Typical range |
|---|---|---|---|
| Northern pike | gill | 7.0 | 4.5 to 11.3 |
| Northern pike | trap | 1.56 | n/a |
| Black crappie | gill | 1.0 | 1.0 to 11.8 |
| Black crappie | trap | 0.67 | 1.2 to 4.8 |
| Bluegill | trap | 0.67 | 4.9 to 49.8 |
| Largemouth bass | gill | 0.5 | 0.5 to 1.5 |
| Largemouth bass | trap | 0.22 | 0.3 to 1.3 |
| Pumpkinseed | trap | 0.11 | 1.7 to 10.3 |
Largest fish measured in recent DNR samples: Northern pike 30.0 in (2014), Largemouth bass 18.0 in (2014).
Game and panfish documented since 2005: Northern pike, Largemouth bass, Black crappie, Bluegill, Pumpkinseed.
Fishing regulations
No lake-specific regulation found in Minnesota Rules or the DNR sunfish list. Statewide and zone regulations apply.
Regulations change. Confirm with the DNR before fishing.
Invasive species
Not on the Minnesota DNR infested waters list as of September 2026. That means no confirmed listing, not a guarantee the lake is free of invasive species.
Public boat access
No public water access on DNR record.
Nearby lakes
- Teepee Lake 1.1 mi, Cass County
- Diamond Lake 1.1 mi, Cass County
- Hovde Lake 1.3 mi, Cass County
- South Stocking Lake 1.6 mi, Cass County
- Bluebill Lake 1.6 mi, Cass County
- Little Webb Lake 1.8 mi, Cass County
- Cub Lake 2.2 mi, Cass County
- Four-One-Eight Lake 2.6 mi, Cass County
Questions about Long Lake
How deep is Long Lake?
Long Lake reaches a maximum depth of 43 ft according to Minnesota DNR records. About 80% of the lake is shallower than 15 feet.
How big is Long Lake?
Long Lake covers about 58.5 acres in Cass County, Minnesota.
How clear is Long Lake?
Summer water clarity on Long Lake averages 9.3 feet (Secchi depth) in MPCA monitoring through 2025.
Does Long Lake have zebra mussels or other invasive species?
Long Lake is not on the Minnesota DNR infested waters list as of September 2026. That means there is no confirmed listing; it is not a guarantee the lake is free of invasive species.
What fish are in Long Lake?
Minnesota DNR surveys document northern pike, largemouth bass, black crappie, bluegill, pumpkinseed in Long Lake. The most recent standard survey was in 2014.
Are there lake homes for sale on Long Lake?
Homes on Long Lake come up for sale throughout the year, and some sell before they’re ever publicly advertised. Tell us what you’re looking for and our agents will run a custom search and send you matching homes on Long Lake and nearby lakes, including off-market opportunities when available.
What is it like to live on Long Lake?
Small, quiet water suited to paddling and fishing, about 80% shallow shoreline under 15 feet, and summer clarity around 9.3 feet. Conditions vary by property, so walk the frontage and ask us what similar homes have sold for.
Are there special fishing regulations on Long Lake?
No lake-specific regulation was found for Long Lake in Minnesota Rules or the DNR sunfish list. Statewide and zone regulations apply.
Ask us about Long Lake
Whether you’re buying, selling, or just curious, our team works Cass County lakes every day. Send us a note or call (218) 656-6469.
Sources: Minnesota DNR LakeFinder records, DNR fish surveys (latest 2014), DNR infested waters list (Sept 2026), Minnesota Rules 6264.0400 (April 2026), MPCA monitoring via the Water Quality Portal, DNR water access records (2023), LAGOS-US. Lakewide information from public data; it does not describe any specific property. Verify shoreline, bottom type, and depth at any frontage.