Otrey Lake
About Otrey Lake
Otrey Lake is a 475-acre lake near Ortonville in Big Stone County, Minnesota. It reaches 8 feet at its deepest point, with an average depth of about 5 feet, and has roughly 8.1 miles of shoreline. DNR surveys put average water clarity at about 0.8 feet, so expect stained or algae-tinted water in summer.
Minnesota DNR fisheries surveys list 4 fish species here. The most recent fisheries survey on file dates to 2018.
There is one public boat launch (gravel or earth surface).
Plan Your Visit to Otrey Lake
- 475 acres, up to 8 feet deep, near Ortonville
- 1 public boat launch (gravel or earth)
- Average water clarity around 0.8 feet — expect green or stained water by midsummer
Access & Fees
- Public access
- 1 public boat launch (gravel or earth)
- Launch fee
- Free at DNR accesses
Conditions
- Surface area
- 475 acres
- Max depth
- 8 ft
- Average depth
- 5 ft
- Shoreline
- 8.1 mi
- Water clarity
- 0.8 ft
- Shallows (under 15 ft)
- 475 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 (gravel or earth)
- Low-clarity lakes are prone to summer algae blooms; keep dogs out of green, scummy water
- Ice is never completely safe — check thickness yourself before walking or driving on any lake
Angler's Report
Minnesota DNR LakeFinder- Species on survey
- 4
- Game fish
- 0
- Stocked
- No
- Last DNR survey
- 2018
- Special regulations
- No
- Fishing pier
- No
- Ice fishing
- No
- Boat launch
- Yes
Fishing data: Minnesota Department of Natural Resources. Regulations change — confirm with the current DNR fishing regulations.
Activities
Amenities
Fish Species
Plan your trip to Otrey Lake
Compare Otrey Lake against the top-ranked lakes nearby, then map your route.
Nearby Lakes
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Frequently Asked Questions
Where is Otrey Lake?
Otrey Lake is in Big Stone County, Minnesota, near Ortonville. It covers 475 acres and reaches 8 feet deep.
How big and how deep is Otrey Lake?
Otrey Lake covers 475 acres with about 8.1 miles of shoreline. Its maximum depth is 8 feet and its average depth is about 5 feet.
What fish can you catch at Otrey Lake?
Minnesota DNR surveys list Black Bullhead, Common Carp, Orangespotted Sunfish, and White Sucker. A Minnesota fishing license is required for anyone 16 and older.
Is there a public boat launch on Otrey Lake?
Yes. Otrey Lake has 1 public boat launch (gravel or earth). DNR public water accesses are free to use.
Can you swim at Otrey Lake?
There is no mapped public swim beach at Otrey 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 Otrey Lake stocked?
The DNR has no stocking report on file for Otrey Lake; its fishery is sustained by natural reproduction or has not been stocked recently.