Third Lake
Cass County, Minnesota, near Walker. DNR lake ID 11046400.
Third Lake is a 33.1-acre lake in Cass County, Minnesota, near Walker. Its deepest point reaches 34 ft. Summer water clarity averages 13.8 feet in Minnesota Pollution Control Agency monitoring. It is not on the DNR infested waters list as of September 2026.
Buying or selling on Third 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.
Tell us about your dream home on Third LakeWhat’s my Third Lake property worth?Call (218) 656-6469
Quick facts
| DNR lake ID | 11046400 |
|---|---|
| County | Cass County, near Walker |
| Surface area | 33.1 acres |
| Maximum depth | 34 ft |
| Share under 15 ft | Not surveyed |
| Water clarity (summer) | 13.8 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 13.8 ft.
Fishing on Third Lake
The most recent DNR standard fish survey was in 1991 (35 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 |
|---|---|---|---|
| Walleye | gill | 1.5 | n/a |
| Northern pike | gill | 6.5 | n/a |
| Black crappie | gill | 1.0 | n/a |
| Black crappie | trap | 2.0 | n/a |
| Bluegill | gill | 1.5 | n/a |
| Bluegill | trap | 20.75 | n/a |
| Largemouth bass | gill | 0.5 | n/a |
| Largemouth bass | trap | 0.5 | n/a |
| Pumpkinseed | trap | 0.75 | n/a |
| Rock bass | trap | 0.5 | n/a |
| Hybrid sunfish | trap | 5.0 | n/a |
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
- Fourth Lake 0.3 mi, Cass County
- Fifth Lake 0.8 mi, Cass County
- Long Lake 1.0 mi, Cass County
- Anway Lake 1.5 mi, Cass County
- Ten Lake 1.7 mi, Cass County
- May Lake 2.2 mi, Cass County
- Alice Lake 2.6 mi, Cass County
- Gadbolt Lake 3.2 mi, Cass County
Questions about Third Lake
How deep is Third Lake?
Third Lake reaches a maximum depth of 34 ft according to Minnesota DNR records.
How big is Third Lake?
Third Lake covers about 33.1 acres in Cass County, Minnesota.
How clear is Third Lake?
Summer water clarity on Third Lake averages 13.8 feet (Secchi depth) in MPCA monitoring through 2025.
Does Third Lake have zebra mussels or other invasive species?
Third 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.
Are there lake homes for sale on Third Lake?
Homes on Third 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 Third Lake and nearby lakes, including off-market opportunities when available.
What is it like to live on Third Lake?
Small, quiet water suited to paddling and fishing, and summer clarity around 13.8 feet. Conditions vary by property, so walk the frontage and ask us what similar homes have sold for.
Are there special fishing regulations on Third Lake?
No lake-specific regulation was found for Third Lake in Minnesota Rules or the DNR sunfish list. Statewide and zone regulations apply.
Ask us about Third 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 1991), 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.