Fishing at Altermatt Lake, Brown County, Minnesota

• Overview

  Altermatt Lake lies within the bounds of Brown County, Minnesota. The water sits 997 feet up. Roughly 125 acres: a morning covers one end, an afternoon the other. Around 2.1 miles of margin, front to back. By elevation it sits in the lower part of our Minnesota listings. Springfield lies 7 miles from the water. The nearest city of size is Minneapolis, 94 miles away. It sits well inside the county, so one set of rules covers it.

• Where to Fish on Altermatt Lake

  Nothing we hold settles how deep this runs. Read the surface for the wind lane, then fish the edge of it. The shallow end warms first and pulls fish in ahead of the rest. Public occurrence data for Brown County names walleye, common carp and largemouth bass. Records at county level tell you what is around, not what is stocked here. Anyone new to Altermatt Lake should walk it once before setting up.

• Seasonal Patterns

  The range across the year is 12°F to 72°F. Winter shuts the surface down for months. Hard cover is dependable here; it goes around early April. Climate figures give an open season running early April to late November. Reckon on open water from spring through to late autumn, with May and June the strongest. The season on Altermatt Lake rarely departs from it.

• Tackle & Baits

  No access rule appears in what we hold. Records list it as a natural water body rather than an impoundment. No launch point is recorded nearby, so this is a bank water unless you carry a boat in. A landowner's word beats anything printed elsewhere. Where tickets apply, they are sold in the nearest town rather than on the bank. For a change of water, Boise Lake is 4.3 miles distant. Nothing on Altermatt Lake should be assumed from this page alone.