Mattson Slough

Mattson Slough is a lake in Montana, near Sheridan County.

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Mattson Slough is a lake in Sheridan County, Montana.

The recorded size of Mattson Slough is missing; fish one short bank carefully before deciding whether a wider search makes sense.

Explore nearby waters, including local Featured destinations. Check each page for access and fishing restrictions.

Distances are straight-line estimates between mapped water locations.