Glenns Lake in Glacier County: How and When to Fish It

• Overview

  Glenns Lake sits within Glacier County in Montana. The water sits 4,859 feet up. The water covers around 254 acres, which puts most of it out of reach from the bank. The perimeter runs near 5.6 miles, so plan the walk before you start. On our Glacier County list it sits near the top for size. Cardston sits 30 miles from the bank. Columbia Falls lies 41 miles off, Pincher Creek another 41 miles. There is no boundary nearby to worry about.

• Where to Fish on Glenns Lake

  Depth remains unrecorded, so treat the first session as a survey. Bays and points beat straight shoreline every time on water like this. Look for the band where the shallows give up and the bottom falls away. Public occurrence data for Glacier County names brook trout, northern pike and longnose sucker. It is the county picture; the agency list is water-specific. Glenns Lake gives up its fish to patience rather than distance.

• Seasonal Patterns

  Long-run averages give August about 54°F and January about 15°F. Fishing here follows the temperature more than the calendar. Once it clears, about mid May, the fishing comes on quickly. Open water usually runs from mid May until about early November. The strongest runs come at either end of the open season. It sets the rhythm of the year at Glenns Lake.

• Tackle & Baits

  The access position is unclear from public sources. This is a natural basin, not a dammed one. You can camp 0.9 miles off, which suits an early start. Light line and small metal for the trout; a fly rod earns its place on calm evenings. Where access is informal, keep it that way by behaving. Some water is controlled locally without a sign saying so. Should this one be busy, Whitecrow Lake is 1.7 miles off. Treat Glenns Lake as unsettled until someone local tells you otherwise.