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Stocking Report

Yellowstone Cutthroat Trout stocking in Montana

1,048 recorded stockings, 202 waters, averaging 5.04" at release, from Montana state agency records. Every water links to its own page.

Latest recorded stocking: Mar 26, 2026

When yellowstone cutthroat trout goes in

63% of recorded stockings happen from July through August.

  1. Jan
  2. 0%Feb
  3. 2%Mar
  4. 6%Apr
  5. 7%May
  6. 10%Jun
  7. 37%Jul
  8. 26%Aug
  9. 8%Sep
  10. 2%Oct
  11. 0%Nov
  12. 0%Dec

Share of all recorded yellowstone cutthroat trout stockings in Montana, by calendar month. Stocking does not guarantee fish are present. Check current regulations and access before you go.

States run two very different stocking calendars. We looked at all 114,409 records to work out why.

Where yellowstone cutthroat trout gets stocked in Montana

WaterCountyStockingsFishLast recorded
Moon LakeNot reported864,300Aug 1, 2023
Rock Island LakePark8105,920Aug 1, 2023
Mirror LakeNot reported881,250Jul 17, 2019
Rainbow Lake 7Not reported830,000Jul 17, 2019
Park LakeNot reported824,582Sep 15, 2005
Sundance LakeCarbon72,030Aug 5, 2025
Fairy LakeGallatin713,805Aug 4, 2025
Fire LakePark76,900Aug 4, 2025
Island LakeNot reported74,902Aug 1, 2023
Great Falls Creek Lake, LowerNot reported74,620Jun 2, 2020
Silver LakeNot reported76,000Jul 30, 2012
Albino LakeNot reported646,540Aug 5, 2025
Huckleberry LakeNot reported610,350Aug 5, 2025
George LakeNot reported63,000Aug 4, 2025
Line LakeCarbon64,515Aug 22, 2024
Cottonwood LakeNot reported66,440Jul 30, 2024
Upper Aero LakePark6134,180Jul 29, 2024
Mountain Goat LakeNot reported66,525Jul 26, 2022
Elk LakeNot reported643,340Jul 21, 2020
Fossil LakeCarbon659,000Jul 24, 2017
Black Canyon LakeCarbon540,120Aug 5, 2025
Bridge LakePark510,650Aug 4, 2025
Silt Lake, UpperNot reported51,140Jul 29, 2024
Wiedy LakePark52,625Jul 29, 2024

See everything Montana stocks in the full Montana stocking report, or browse every mapped water in the Montana fishing spot finder.

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