St. Anna Lake
About St. Anna Lake
St. Anna Lake is a 126-acre lake near Saint Rosa in Stearns County, Minnesota. It reaches 107 feet at its deepest point, with an average depth of about 46 feet, and has roughly 1.8 miles of shoreline. DNR surveys put average water clarity at about 10.8 feet, clearer than most lakes in the state.
Minnesota DNR fisheries surveys list 12 fish species here, including northern pike, largemouth bass, black crappie, bluegill, and pumpkinseed. The most recent fisheries survey on file dates to 2025.
There is one public boat launch (concrete surface) managed by the Minnesota DNR. The lake is listed as infested with Eurasian watermilfoil — clean, drain and dry your boat and gear before leaving. Ice typically goes out around April 9, based on 10 years of DNR ice-out records.
Plan Your Visit to St. Anna Lake
- 126 acres, up to 107 feet deep, near Saint Rosa
- 1 public boat launch (concrete) — managed by the Minnesota DNR
- Game fish on the DNR survey: northern pike, largemouth bass, black crappie, bluegill, and pumpkinseed
- Average water clarity around 10.8 feet
- Listed as infested with Eurasian watermilfoil — clean, drain and dry before you leave
Access & Fees
- Public access
- 1 public boat launch (concrete)
- Launch fee
- Free at DNR accesses
- Managed by
- Minnesota DNR
Conditions
- Surface area
- 126 acres
- Max depth
- 107 ft
- Average depth
- 46 ft
- Shoreline
- 1.8 mi
- Water clarity
- 10.8 ft
- Shallows (under 15 ft)
- 31 acres
Rules & Regulations
- A Minnesota fishing license is required for anglers 16 and older
- Drain plugs must be out and all water drained before leaving any access; remove aquatic plants from boats and trailers
- Children under 10 must wear a life jacket on a boat that is underway
Facilities
- 1 public boat launch (concrete)
- Ice is never completely safe — check thickness yourself before walking or driving on any lake
Angler's Report
Minnesota DNR LakeFinder- Species on survey
- 12
- Game fish
- 5
- Stocked
- No
- Last DNR survey
- 2025
- Special regulations
- No
- Fishing pier
- No
- Ice fishing
- Yes
- Boat launch
- Yes
Fishing data: Minnesota Department of Natural Resources. Regulations change — confirm with the current DNR fishing regulations.
Ice-Out History
- Median ice-out
- April 9
- Years of record
- 10
- Earliest
- March 15, 2024
- Latest
- May 2, 2018
- Most recent
- April 9, 2026
See every lake on the ice-out tracker. Ice-out data: Minnesota DNR State Climatology Office.
Activities
Amenities
Fish Species
Plan your trip to St. Anna Lake
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Nearby Lakes
Lake Mary
55 out of 100 Lake ScoreTodd · Upsala129 acres
3.3 miles away
Cedar Lake
72 out of 100 Lake ScoreMorrison · Upsala236 acres
5 miles away
Long Lake
57 out of 100 Lake ScoreStearns · Saint Rosa92 acres
5.4 miles away
Kings Lake
62 out of 100 Lake ScoreStearns · Freeport204 acres
5.7 miles away
Pine Lake
61 out of 100 Lake ScoreMorrison · Upsala178 acres
6.1 miles away
Two Rivers Lake
61 out of 100 Lake ScoreStearns · Holdingford583 acres
6.4 miles away
Frequently Asked Questions
Where is St. Anna Lake?
St. Anna Lake is in Stearns County, Minnesota, near Saint Rosa. It covers 126 acres and reaches 107 feet deep.
How big and how deep is St. Anna Lake?
St. Anna Lake covers 126 acres with about 1.8 miles of shoreline. Its maximum depth is 107 feet and its average depth is about 46 feet.
What fish can you catch at St. Anna Lake?
Minnesota DNR surveys list Northern Pike, Largemouth Bass, Black Crappie, Bluegill, and Pumpkinseed and other species. A Minnesota fishing license is required for anyone 16 and older.
Is there a public boat launch on St. Anna Lake?
Yes. St. Anna Lake has 1 public boat launch (concrete), managed by the Minnesota DNR. DNR public water accesses are free to use.
Can you swim at St. Anna Lake?
There is no mapped public swim beach at St. Anna Lake. Minnesota's public waters are open to swimming where you have legal access, but there are no lifeguards or water-quality monitoring away from designated beaches.
Is St. Anna Lake stocked?
The DNR has no stocking report on file for St. Anna Lake; its fishery is sustained by natural reproduction or has not been stocked recently.
When does the ice go out on St. Anna Lake?
The median ice-out date is April 9, from 10 years of Minnesota DNR records. The earliest on record is March 15, 2024 and the latest is May 2, 2018.
Does St. Anna Lake have invasive species?
Yes. The DNR lists St. Anna Lake as infested with Eurasian watermilfoil. State law requires you to clean off plants, pull the drain plug and drain all water before leaving the access.