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Trout Lake

lakeCook County, Minnesota · near Grand Marais259 acres58 out of 100 Lake Score Lake Score

About Trout Lake

Trout Lake is a 259-acre lake near Grand Marais in Cook County, Minnesota. It reaches 77 feet at its deepest point, and has roughly 3.3 miles of shoreline. DNR surveys put average water clarity at about 18.6 feet, which is exceptionally clear for Minnesota.

Minnesota DNR fisheries surveys list 6 fish species here, including yellow perch, lake trout, rainbow trout, and brook trout. 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 2025.

Public access is carry-in only — plan on a canoe, kayak or small boat you can hand-launch. A campground is mapped close to the shoreline for overnight stays. The lake is listed as infested with spiny waterflea — clean, drain and dry your boat and gear before leaving. Ice typically goes out around May 6, based on 8 years of DNR ice-out records.

Plan Your Visit to Trout Lake

What to Know Before You Go
  • 259 acres, up to 77 feet deep, near Grand Marais
  • Carry-in access only — bring a boat you can hand-launch unless you confirm a ramp
  • Game fish on the DNR survey: yellow perch, lake trout, rainbow trout, and brook trout
  • Average water clarity around 18.6 feet — very clear
  • Camping close to the water
  • Listed as infested with spiny waterflea — clean, drain and dry before you leave

Access & Fees

Public access
Carry-in access only
Launch fee
Free at DNR accesses
Managed by
US Forest Service

Conditions

Surface area
259 acres
Max depth
77 ft
Shoreline
3.3 mi
Water clarity
18.6 ft
Shallows (under 15 ft)
59 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
  • A trout and salmon stamp is required to fish designated trout lakes or to keep trout

Facilities

  • 1 carry-in access
  • Camping (1 mapped)

Best For

  • Lakeside camping
  • Quiet paddling
Know Before You Go
  • Ice is never completely safe — check thickness yourself before walking or driving on any lake

Angler's Report

Minnesota DNR LakeFinder
Species on survey
6
Game fish
4
Stocked
Yes
Last DNR survey
2025
Special regulations
No
Fishing pier
No
Ice fishing
Yes
Boat launch
No

Fishing data: Minnesota Department of Natural Resources. Regulations change — confirm with the current DNR fishing regulations.

Ice-Out History

Median ice-out
May 6
Years of record
8
Earliest
April 8, 2012
Latest
May 21, 2014
Most recent
April 26, 2017

See every lake on the ice-out tracker. Ice-out data: Minnesota DNR State Climatology Office.

Camping & Reservations

1 campground is mapped on or near Trout 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.

Backcountry sites

Campground locations © OpenStreetMap contributors. Confirm details with the operator.

Activities

FishingIce FishingPaddlingCamping

Amenities

Carry-In AccessCampground

Fish Species

Yellow PerchLake TroutRainbow TroutBrook TroutRainbow SmeltWhite Sucker

Plan your trip to Trout Lake

Compare Trout Lake against the top-ranked lakes nearby, then map your route.

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Frequently Asked Questions

Where is Trout Lake?

Trout Lake is in Cook County, Minnesota, near Grand Marais. It covers 259 acres and reaches 77 feet deep.

How big and how deep is Trout Lake?

Trout Lake covers 259 acres with about 3.3 miles of shoreline. Its maximum depth is 77 feet.

What fish can you catch at Trout Lake?

Minnesota DNR surveys list Yellow Perch, Lake Trout, Rainbow Trout, and Brook Trout. A Minnesota fishing license is required for anyone 16 and older.

Is there a public boat launch on Trout Lake?

Public access is on record, but not a trailer ramp: carry-in access only.

Can you swim at Trout Lake?

There is no mapped public swim beach at Trout 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 Trout Lake stocked?

Yes. The Minnesota DNR has stocking records for Trout Lake; species and numbers vary by year, so see the stocking report on DNR LakeFinder.

When does the ice go out on Trout Lake?

The median ice-out date is May 6, from 8 years of Minnesota DNR records. The earliest on record is April 8, 2012 and the latest is May 21, 2014.

Can you camp at Trout Lake?

Yes. A campground is mapped on or near the shore. Confirm whether sites are reservable or first-come, first-served before you go.

Does Trout Lake have invasive species?

Yes. The DNR lists Trout Lake as infested with spiny waterflea. State law requires you to clean off plants, pull the drain plug and drain all water before leaving the access.