Boulder Lake
About Boulder Lake
Boulder Lake is a 341-acre lake near Dorset in Hubbard County, Minnesota. It reaches 28 feet at its deepest point, and has roughly 4.9 miles of shoreline. DNR surveys put average water clarity at about 11.1 feet, clearer than most lakes in the state.
Minnesota DNR fisheries surveys list 14 fish species here, including walleye, northern pike, largemouth bass, smallmouth 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. The most recent fisheries survey on file dates to 2023.
There is one public boat launch (concrete surface) managed by the Minnesota DNR. The lake is listed as infested with faucet snail — clean, drain and dry your boat and gear before leaving.
Plan Your Visit to Boulder Lake
- 341 acres, up to 28 feet deep, near Dorset
- 1 public boat launch (concrete) — managed by the Minnesota DNR
- Game fish on the DNR survey: walleye, northern pike, largemouth bass, smallmouth bass, black crappie, and bluegill
- Average water clarity around 11.1 feet
- Listed as infested with faucet snail — 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
- 341 acres
- Max depth
- 28 ft
- Shoreline
- 4.9 mi
- Water clarity
- 11.1 ft
- Shallows (under 15 ft)
- 180 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)
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
- 14
- Game fish
- 9
- Stocked
- Yes
- Last DNR survey
- 2023
- 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.
Activities
Amenities
Fish Species
Plan your trip to Boulder Lake
Compare Boulder Lake against the top-ranked lakes nearby, then map your route.
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Nearby Lakes
Little Sand Lake
75 out of 100 Lake ScoreHubbard · Dorset410 acres
1.6 miles away
Belle Taine Lake
69 out of 100 Lake ScoreHubbard · Nevis1,497 acres
2.4 miles away
Shallow Lake
52 out of 100 Lake ScoreHubbard · Nevis284 acres
2.4 miles away
Big Sand Lake
69 out of 100 Lake ScoreHubbard · Dorset1,639 acres
3 miles away
Deer Lake
49 out of 100 Lake ScoreHubbard · Nevis181 acres
3.1 miles away
Peysenske Lake
18 out of 100 Lake ScoreHubbard · Park Rapids220 acres
3.4 miles away
Frequently Asked Questions
Where is Boulder Lake?
Boulder Lake is in Hubbard County, Minnesota, near Dorset. It covers 341 acres and reaches 28 feet deep.
How big and how deep is Boulder Lake?
Boulder Lake covers 341 acres with about 4.9 miles of shoreline. Its maximum depth is 28 feet.
What fish can you catch at Boulder Lake?
Minnesota DNR surveys list Walleye, Northern Pike, Largemouth Bass, Smallmouth Bass, Black Crappie, Bluegill, Pumpkinseed, Yellow Perch, and Rock Bass and other species. A Minnesota fishing license is required for anyone 16 and older.
Is there a public boat launch on Boulder Lake?
Yes. Boulder Lake has 1 public boat launch (concrete), managed by the Minnesota DNR. DNR public water accesses are free to use.
Can you swim at Boulder Lake?
There is no mapped public swim beach at Boulder 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 Boulder Lake stocked?
Yes. The Minnesota DNR has stocking records for Boulder Lake; species and numbers vary by year, so see the stocking report on DNR LakeFinder.
Does Boulder Lake have invasive species?
Yes. The DNR lists Boulder Lake as infested with faucet snail. State law requires you to clean off plants, pull the drain plug and drain all water before leaving the access.