Blue Lake in Park County: How and When to Fish It

• Overview

  Blue Lake falls in Park County, part of Montana. It lies 9,491 feet above sea level. About 10 acres of surface, which puts the far bank inside easy sight. It sits higher than most water we list in Montana. Nearest place of any size is Livingston, 36 miles away. The nearest city of size is Billings, 92 miles away. There is no boundary nearby to worry about.

• Where to Fish on Blue Lake

  The records we hold are silent on depth, so plan to find it yourself. A soft bed grows weed late into autumn, which keeps fish shallow. Where the bottom changes texture, fish gather; find that line. Species logged across Park County include rainbow trout, brook trout, california golden trout and brown trout. Read it as a county summary, not a water-by-water list. Blue Lake fishes better once you know its edges.

• Seasonal Patterns

  On the long-term average, July reads 51°F and January reads 14°F. Winter puts a hard lid on this one. Count on hard cover from midwinter, and open water from late May. The water is typically free of ice between late May and early November. The first weeks of open water and the last are the ones to plan for. Blue Lake runs to its own calendar within the local pattern.

• Tackle & Baits

  Nothing on record says whether the bank is open or closed. Nothing in the way of made access shows up nearby: no ramp, no car park, no path. Trout here take small spinners, spoons and, where fly water allows, a nymph or dry. Where a permit is needed, the nearest town usually sells it. Where the way in crosses private ground, ask first. If the gate is shut, Lake Kathleen at 3 miles is the nearest alternative. Where Blue Lake is concerned, a local answer beats a written one.