Twenty Lake
Aitkin County, Minnesota, near Malmo. DNR lake ID 01008500.
Twenty Lake is a 153-acre lake in Aitkin County, Minnesota, near Malmo. Summer water clarity averages 3.5 feet in Minnesota Pollution Control Agency monitoring. It is not on the DNR infested waters list as of September 2026.
Buying or selling on Twenty 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 Twenty LakeWhat’s my Twenty Lake property worth?Call (218) 656-6469
Quick facts
| DNR lake ID | 01008500 |
|---|---|
| County | Aitkin County, near Malmo |
| Surface area | 153 acres |
| Maximum depth | Not surveyed |
| Share under 15 ft | Not surveyed |
| Water clarity (summer) | 3.5 ft through 2024 (satellite estimate) |
| Invasive species | Not on DNR infested waters list (Sept 2026) |
| Public water accesses | 1 |
Water quality
Summer averages from Minnesota Pollution Control Agency monitoring through 2024: clarity 3.5 ft.
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
- Twenty Lake: 1 natural launch ramp, 10 trailer spaces. 1.5 miles North of Malmo on MN Hwy. 47, then 1.75 miles West and North on Twenty Lake Road. Directions
DNR water access records (2023). Confirm current conditions with the DNR.
Nearby lakes
- Sugar Lake 4.2 mi, Aitkin County
- Clear Lake 4.3 mi, Aitkin County
- Swamp Lake 5.9 mi, Aitkin County
- Rabbit Lake 6.5 mi, Aitkin County
- Monson Lake 6.7 mi, Aitkin County
- Sweetman Lake 7.1 mi, Aitkin County
- Elm Island Lake 7.8 mi, Aitkin County
- Lone Lake 8.0 mi, Aitkin County
Questions about Twenty Lake
How big is Twenty Lake?
Twenty Lake covers about 153 acres in Aitkin County, Minnesota.
How clear is Twenty Lake?
Summer water clarity on Twenty Lake averages 3.5 feet (Secchi depth) in MPCA monitoring through 2024.
Does Twenty Lake have zebra mussels or other invasive species?
Twenty 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.
Where is the public boat access on Twenty Lake?
Twenty Lake has 1 public water access site on DNR record: Twenty Lake.
Are there lake homes for sale on Twenty Lake?
Homes on Twenty 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 Twenty Lake and nearby lakes, including off-market opportunities when available.
What is it like to live on Twenty Lake?
Small, quiet water suited to paddling and fishing, and summer clarity around 3.5 feet. Conditions vary by property, so walk the frontage and ask us what similar homes have sold for.
Are there special fishing regulations on Twenty Lake?
No lake-specific regulation was found for Twenty Lake in Minnesota Rules or the DNR sunfish list. Statewide and zone regulations apply.
Ask us about Twenty Lake
Whether you’re buying, selling, or just curious, our team works Aitkin County lakes every day. Send us a note or call (218) 656-6469.
Sources: Minnesota DNR LakeFinder records, DNR fish surveys (latest not on record), 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.