Twin Lakes in Madison County: How and When to Fish It

• Overview

  Twin Lakes falls in Madison County, part of Montana. The water sits 9,219 feet up. Whitehall sits 20 miles from the bank. Beyond it, Three Forks at 34 miles and Butte at 36 miles. Also on the doorstep: Jackson Lake sits 0.6 miles out, Lost Cabin Lake within 1.4 miles, Crystal Lake sits 1.4 miles out, Sailor Lake within 1.5 miles and Upper Boulder Lake sits 2 miles out. No border sits close enough to matter.

• Where to Fish on Twin Lakes

  Depth remains unrecorded, so treat the first session as a survey. Still water like this holds fish on the edges rather than out in the open. On a natural lake the weed line and the shelf beyond it do the work. County-wide records name rainbow trout, brown trout and mountain whitefish. County records show the wider picture rather than this one place. Twin Lakes responds to conditions more than to tactics.

• Seasonal Patterns

  Temperature averages peak at 56°F in July and bottom out at 20°F in January. Expect a real winter and a strong spring after it. Look for the thaw near early May; the fishing lifts straight after. Average temperatures cross freezing around early May in spring and again near mid November in autumn. The weeks after the thaw and the ones before the freeze are the strongest. Twin Lakes fishes to that pattern most years.

• Tackle & Baits

  Whether you may fish here is not something records settle. No built facilities appear in mapping around this water. For the trout, small spinners and a box of nymphs cover both approaches. Take the rules with you rather than trusting memory. Night access is frequently treated as a separate matter. Should this one be busy, Jackson Lake is 0.6 miles off. Check the current arrangement for Twin Lakes.