Poston Lake Fishing in Sublette County, Wyoming

• Overview

  Poston Lake sits within Sublette County in Wyoming. The water sits 9,344 feet up. At roughly 12 acres, the whole thing is within casting reach of a single walk. For supplies, Pinedale is 28 miles out. Fort Washakie is 29 miles and Lander 31 miles. Within a short drive: Legion Lake within 1.4 miles, Chilcott Lake the better part of 1.4 miles, Francis Lake within 1.5 miles and Boulter Lake the better part of 1.6 miles. It lies deep inside the county rather than near an edge.

• Where to Fish on Poston Lake

  We hold no depth figure for this one. This is a lake, so the margins and the first drop matter most. Bays and points beat straight shoreline every time on water like this. Across Sublette County, recorded fish include brook trout, rainbow trout, brown trout, lake trout and white sucker. It is the county picture; the agency list is water-specific. Read Poston Lake before you fish it and the day goes better.

• Seasonal Patterns

  Temperature averages peak at 55°F in July and bottom out at 15°F in January. A solid cap is the normal state through winter. Look for the thaw near mid May; the fishing lifts straight after. Expect the water usable from around mid May until roughly mid November. The first weeks of open water and the last are the ones to plan for. It sets the rhythm of the year at Poston Lake.

• Tackle & Baits

  Public sources are silent on who controls the bank. No built facilities appear in mapping around this water. Light line and small metal for the trout; a fly rod earns its place on calm evenings. Where the road in crosses private land, ask first. A polite question at the farm gate opens more banks than anything else. The nearest alternative is Legion Lake, 1.4 miles out. For Poston Lake in particular, ask before you travel.