Lake Johanna
About Lake Johanna
Lake Johanna is a 212-acre lake near Arden Hills in Ramsey County, Minnesota. It reaches 43 feet at its deepest point, with an average depth of about 17 feet, and has roughly 3 miles of shoreline. DNR surveys put average water clarity at about 7.4 feet.
Minnesota DNR fisheries surveys list 13 fish species here, including walleye, northern pike, tiger muskellunge, largemouth bass, black crappie, and bluegill. The DNR has stocking records for the lake, so check the stocking report for the most recent species and year classes. Special fishing regulations apply to muskellunge and tiger muskellunge, and they override the statewide limits. The most recent fisheries survey on file dates to 2021.
There are 2 public boat launches (concrete surface) managed by the county. The lake is listed as infested with Eurasian watermilfoil and zebra mussel — clean, drain and dry your boat and gear before leaving.
Plan Your Visit to Lake Johanna
- 212 acres, up to 43 feet deep, near Arden Hills
- 2 public boat launches (concrete) — managed by the county
- Game fish on the DNR survey: walleye, northern pike, tiger muskellunge, largemouth bass, black crappie, and bluegill
- Special fishing regulations apply here and override the statewide limits
- Average water clarity around 7.4 feet
- Listed as infested with Eurasian watermilfoil and zebra mussel — clean, drain and dry before you leave
Access & Fees
- Public access
- 2 public boat launches (concrete)
- Launch fee
- Free at DNR accesses
- Managed by
- county
Conditions
- Surface area
- 212 acres
- Max depth
- 43 ft
- Average depth
- 17 ft
- Shoreline
- 3 mi
- Water clarity
- 7.4 ft
- Shallows (under 15 ft)
- 96 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
- 2 public boat launches (concrete)
Best For
- Walleye fishing
- Ice fishing
- Ice is never completely safe — check thickness yourself before walking or driving on any lake
Angler's Report
Minnesota DNR LakeFinder- Species on survey
- 13
- Game fish
- 8
- Stocked
- Yes
- Last DNR survey
- 2021
- Special regulations
- Yes
- Fishing pier
- No
- Ice fishing
- Yes
- Boat launch
- Yes
Special regulations on this lake
- Muskellunge and Tiger Muskellunge: Minimum size limit 40". Possession limit one.
Fishing data: Minnesota Department of Natural Resources. Regulations change — confirm with the current DNR fishing regulations.
Activities
Amenities
Fish Species
Plan your trip to Lake Johanna
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Silver Lake
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Long Lake
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Frequently Asked Questions
Where is Lake Johanna?
Lake Johanna is in Ramsey County, Minnesota, near Arden Hills. It covers 212 acres and reaches 43 feet deep.
How big and how deep is Lake Johanna?
Lake Johanna covers 212 acres with about 3 miles of shoreline. Its maximum depth is 43 feet and its average depth is about 17 feet.
What fish can you catch at Lake Johanna?
Minnesota DNR surveys list Walleye, Northern Pike, Tiger Muskellunge, Largemouth Bass, Black Crappie, Bluegill, Pumpkinseed, and Yellow Perch and other species. A Minnesota fishing license is required for anyone 16 and older.
Is there a public boat launch on Lake Johanna?
Yes. Lake Johanna has 2 public boat launches (concrete), managed by the county. DNR public water accesses are free to use.
Can you swim at Lake Johanna?
There is no mapped public swim beach at Lake Johanna. 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 Lake Johanna stocked?
Yes. The Minnesota DNR has stocking records for Lake Johanna; species and numbers vary by year, so see the stocking report on DNR LakeFinder.
Are there special fishing regulations on Lake Johanna?
Yes. Minimum size limit 40". Possession limit one.
Does Lake Johanna have invasive species?
Yes. The DNR lists Lake Johanna as infested with Eurasian watermilfoil and zebra mussel. State law requires you to clean off plants, pull the drain plug and drain all water before leaving the access.