Jasper Lake
About Jasper Lake
Jasper Lake is a 246-acre lake near Grand Marais in Cook County, Minnesota. It reaches 125 feet at its deepest point, with an average depth of about 31 feet, and has roughly 6.6 miles of shoreline. DNR surveys put average water clarity at about 12.4 feet, clearer than most lakes in the state.
The DNR has no fish survey on file for this lake, so treat any fishing as exploratory.
The DNR lists public water access for the lake; confirm the launch type before towing a trailer in. 10 campgrounds are mapped close to the shoreline for overnight stays.
Plan Your Visit to Jasper Lake
- 246 acres, up to 125 feet deep, near Grand Marais
- Public access on record — bring a boat you can hand-launch unless you confirm a ramp
- Average water clarity around 12.4 feet — very clear
- Camping close to the water
Access & Fees
- Public access
- Public access on record
- Launch fee
- Free at DNR accesses
- Managed by
- US Forest Service
Conditions
- Surface area
- 246 acres
- Max depth
- 125 ft
- Average depth
- 31 ft
- Shoreline
- 6.6 mi
- Water clarity
- 12.4 ft
- Shallows (under 15 ft)
- 86 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
- Camping (10 mapped)
Best For
- Lakeside camping
- Quiet paddling
- Ice is never completely safe — check thickness yourself before walking or driving on any lake
Camping & Reservations
10 campgrounds are mapped on or near Jasper Lake. Minnesota state park sites are booked through the DNR reservation system, national forest campgrounds through Recreation.gov, and most state forest campgrounds are first-come, first-served.
Campground locations © OpenStreetMap contributors. Confirm details with the operator.
Activities
Amenities
Fish Species
Plan your trip to Jasper Lake
Compare Jasper Lake against the top-ranked lakes nearby, then map your route.
Nearby Lakes
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Howard Lake
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Gabimichigami Lake
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Peter Lake
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Frequently Asked Questions
Where is Jasper Lake?
Jasper Lake is in Cook County, Minnesota, near Grand Marais. It covers 246 acres and reaches 125 feet deep.
How big and how deep is Jasper Lake?
Jasper Lake covers 246 acres with about 6.6 miles of shoreline. Its maximum depth is 125 feet and its average depth is about 31 feet.
What fish can you catch at Jasper Lake?
The DNR has no fish survey on file for Jasper Lake.
Is there a public boat launch on Jasper Lake?
Public access is on record, but not a trailer ramp: public access on record.
Can you swim at Jasper Lake?
There is no mapped public swim beach at Jasper 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.
Can you camp at Jasper Lake?
Yes. A campground is mapped on or near the shore. Confirm whether sites are reservable or first-come, first-served before you go.