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Stocking Report

Westslope Cutthroat Trout stocking in Montana

4,285 recorded stockings, 457 waters, averaging 4.57" at release, from Montana Fish, Wildlife & Parks records. Every water links to its own page.

Latest recorded stocking: Sep 29, 2026

When westslope cutthroat trout goes in

60% of recorded stockings happen from May through July.

  1. 0%Jan
  2. Feb
  3. 0%Mar
  4. 6%Apr
  5. 13%May
  6. 20%Jun
  7. 27%Jul
  8. 23%Aug
  9. 7%Sep
  10. 2%Oct
  11. 0%Nov
  12. 0%Dec

Share of all recorded westslope 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 114,145 records to work out why.

Where westslope cutthroat trout gets stocked in Montana

WaterCountyStockingsFishLast recorded
Gooderich BayouFlathead112,810May 29, 2013
Myron LakeLincoln119,537May 22, 2009
Heart LakeNot reported1014,775Sep 17, 2025
Sock LakeLewis and Clark109,900Sep 17, 2025
Smith LakeNot reported109,753Aug 8, 2025
Missoula LakeMineral1011,200Aug 15, 2024
Blossom Lake, LowerNot reported1017,345Aug 12, 2024
Lily LakeNot reported1018,973Aug 4, 2024
Spotted Bear LakeFlathead1026,138Aug 4, 2024
Beaver LakeNot reported1030,482Jul 14, 2023
Blue LakeNot reported109,084Jul 14, 2023
Martin LakeNot reported1019,111Jul 14, 2023
Black LakeNot reported1039,931Jul 20, 2022
Lower Necklace LakeNot reported1011,429Oct 16, 2021
Upper Necklace LakeNot reported107,629Oct 16, 2021
Pilgrim Lake 1Not reported1058,500Aug 10, 2017
Whetstone LakeGranite96,000Sep 25, 2024
Cliff LakeNot reported911,750Sep 19, 2024
Poison Lakes 1Not reported97,400Sep 19, 2024
Bluebird LakeLincoln94,593Aug 15, 2024
Lower Wolverine LakeNot reported910,888Aug 15, 2024
Blossom Lake, UpperNot reported96,554Aug 12, 2024
Deer LakeNot reported97,342Aug 12, 2024
Little Terrace LakeNot reported99,687Aug 12, 2024

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

Source: Montana Fish, Wildlife & Parks, from its fish stocking locations dataset.

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