Bass lake, Trout lake

Mountain Lake

Public access

Mountain Lake is a 1,993-acre lake in Cook County, 210 feet at its deepest. The DNR last surveyed its fish in 2025. Recorded species include smallmouth bass and trout.

Details

DNR lake ID
16009300
County
Cook
Surface area
1,993 acres
Maximum depth
210 feet
Shallow water (littoral) area
497 acres, 25% of the lake
Shoreline
35.7 miles
Average water clarity
25.8 feet (Secchi disk, 8 readings)
Border water
Shared with Canada (Ontario)
Latest DNR fish survey
August 2025, targeted survey
Surveys on record
8, since 1982
Fish species recorded
lake trout, smallmouth bass, and 4 other species
Public accesses (DNR survey record)
1, owned by CAN
Fish consumption
Follow the northeast guidelines; fish from this lake have been tested
Size
500 to 1,999 acres
Deepest point
60 feet or more
Public access
Yes

Sources

Survey catches show what DNR nets and electrofishing found on the survey date, not how the fishing is today. Check the current regulations and the Department of Health advice before you keep fish, and confirm access conditions before you tow a boat.

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