Open fly boxes full of dry flies

Fly Fishing Montana

Since 1984

Monthly Fly Hatch Chart

Big Hole River hatch chart showing the mayflies, caddis, stoneflies, midges and terrestrials that hatch each month from April to October

The chart above shows what hatches on the Big Hole and our other Southwest Montana rivers in each month of the season. Here is the same chart by month.

April: skwalas, March browns, Baetis, tan and green caddis and midges.

May: March browns, Baetis, micro-caddis, tan and green caddis and midges.

June: salmonflies, golden stones, yellow sallies, brown and green drakes, mahogany duns, PMDs, Baetis and caddis.

July: golden stones, yellow sallies, brown, green and gray drakes, western red quills, mahogany duns, PMDs, caddis, hoppers and other terrestrials.

August: tricos, gray drakes, western red quills, mahogany duns, PMDs, terrestrials and midges.

September: tricos, gray drakes, Baetis, terrestrials and midges.

October: Baetis and midges.

Our Gear List names the fly patterns we recommend.

Guide talking with guests on a cabin porch

Let's Talk Fishing

We like teaching you to catch fish on dry flies and our clients tell us year after year they prefer this method to nymph fishing. Don't be surprised if your guide doesn't have a pink bobber anywhere in his/her guide bag.

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Returning guests get the right of first refusal on their weeks, and the Lodge books up fast. Now booking the 2027 season.

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