Flatiron Lake Fishing near Buffalo, Wyoming

• Overview

  Flatiron Lake is a Johnson County water, Wyoming side. The setting is mixed forest. At roughly 16 acres, the whole thing is within casting reach of a single walk. For supplies, Buffalo is 19 miles out. Beyond it, Sheridan at 28 miles and Basin at 47 miles. Within a short run: Elk Lake 1.2 miles, Gem Lake some 1.7 miles off, Lake Mead 2 miles, South Piney Lakes some 2.1 miles off and Diamond Lake 3.2 miles. It lies deep inside the county rather than near an edge.

• Where to Fish on Flatiron Lake

  Nothing in our records gives a depth for this one. A natural lake fishes on cover, and cover here means weed and timber. Read the surface for the wind lane, then fish the edge of it. Open biodiversity records for Johnson County list brown trout, rainbow trout, brook trout and white sucker. Records at county level tell you what is around, not what is stocked here. The near bank of Flatiron Lake is often the one people ignore.

• Seasonal Patterns

  The seasonal spread runs 17°F to 52°F. The season turns properly here, and fish follow it closely. The freeze runs deep into the year, with break-up near early June. Ice clears near early June and comes back about early November in a typical year. The strongest runs come at either end of the open season. On Flatiron Lake that shapes the whole year.

• Tackle & Baits

  Nothing we hold confirms whether access is permitted. Mapping shows an empty shoreline: no ramp, no jetty, no marked entry. Largemouth respond to soft plastics tight to cover; go weedless where the growth is heavy. Check whether a boat is allowed before you tow one. Fishing rules and camping rules are set separately here. If the gate is shut, Elk Lake at 1.2 miles is the nearest alternative. The position on Flatiron Lake is worth confirming on the day.