Slim Lake Fishing near Little Round Lake, Wisconsin

• Overview

  Within Sawyer County, Wisconsin, you have Slim Lake. The water sits 1,276 feet up. It runs to roughly 210 acres — big enough to hold fish away from the bank, small enough to learn. Around 2.6 miles of margin, front to back. It ranks high for size among our Sawyer County listings. Little Round Lake sits 15 miles from the bank. Hayward lies 15 miles off, Spooner another 16 miles. No county line comes close, which keeps the paperwork simple.

• Where to Fish on Slim Lake

  No depth figure has reached our records, which makes a plummet useful. The shallow end warms first and pulls fish in ahead of the rest. On a natural lake the weed line and the shelf beyond it do the work. Public occurrence data for Sawyer County names walleye, brown trout and largemouth bass. Read it as a county summary, not a water-by-water list. Slim Lake gives up more to patience than to distance.

• Seasonal Patterns

  Long-term averages put July at about 68°F and January near 9°F. Fishing here follows the temperature more than the calendar. Look for the thaw near mid April; the fishing lifts straight after. Expect the water usable from around mid April until roughly late November. September and October fish steadily right up to the freeze. Expect Slim Lake to follow that timing.

• Tackle & Baits

  The paperwork position is blank for this one. It formed naturally, so levels move with rainfall rather than with a gate. There is no mapped parking or launch close by, which usually means walking in. A small crankbait along the drop and a worm in the thick stuff cover the bass. Local rules can differ across the county line, so check where you stand. Close seasons apply to some species and not others. The nearest alternative is Snag Lake, 1.4 miles out. For Slim Lake in particular, ask before you travel.