Hatch Chart

Southwest Montana Rivers

Southwest Montana

Plan your fly fishing vacation around your favorite hatch!

Big Hole River

March 20th — May 20thBlue Wing Olives
April 1st — May 15thSkwallas
May 10th — July 25thCaddis
June 5th — June 30thSalmonflies/Golden Stones
June 20th — July 20thPale Morning Duns
June 20th — July 20thLittle Yellow Sally’s
August 1st — August 20thSpruce Moth
August 1st — September 10thTricos

For more in-depth information about Big Hole River Hatches, read Bugs of the Big Hole Part One and Part Two, Summer Hatches.

Beaverhead and Ruby Rivers

March 20th — May 10thBlue Wing Olives
May 5th — September 20thCaddis
June 20th — August 5thPale Morning Duns
July 20th — September 20thCraneflies
June 20th — August 20thLittle Yellow Sally’s
August 5th — September 5thTricos
September 10th — November 10thBlue Wing Olives

Madison River

March 20th — May 20thBlue Wing Olives
May 10th — August 15thCaddis
June 15th — July 15thSalmonflies/Golden Stones
July 1st — August 10thLittle Yellow Sally’s
July 1st — July 25thPale Morning Duns
September 5th — October 25thBlue Wing Olives

Poindexter Slough Spring Creek

March 20th — May 10thBlue Wing Olives
May 5th — August 15thCaddis
June 20th — August 5thPale Morning Duns
September 10th — November 10thBlue Wing Olives
July 15th — August 5thCraneflies

Clark Canyon Dam

May 1st — November 3othMidges
May 15th — October 30thCallibaetis
June 25th — August 10thDamsel Flies

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