Skip to content

Stocking Report

Westslope Cutthroat Trout stocking in Montana

2,014 recorded stockings, 232 waters, averaging 5.02" at release, from Montana state agency records. Every water links to its own page.

Latest recorded stocking: May 24, 2026

When westslope cutthroat trout goes in

64% of recorded stockings happen from May through July.

  1. 0%Jan
  2. Feb
  3. 0%Mar
  4. 7%Apr
  5. 11%May
  6. 23%Jun
  7. 30%Jul
  8. 21%Aug
  9. 5%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 114,409 records to work out why.

Where westslope cutthroat trout gets stocked in Montana

WaterCountyStockingsFishLast recorded
Ulerys Lakes 2Not reported52,500Aug 7, 2019
Hound Creek ReservoirCascade512,387Jun 25, 2015
Spar LakeLincoln521,275Oct 15, 2013
Sundown LakeSweet Grass52,116Jun 18, 2012
Crystal LakeNot reported42,300Sep 17, 2025
Brannan LakesMadison42,000Sep 19, 2024
Scott LakeNot reported42,000Sep 19, 2024
Upper Boulder LakeMadison44,000Sep 19, 2024
Tuffys LakeSanders43,020Aug 12, 2024
Mollman Lake 1Not reported48,037Aug 6, 2024
Mollman Lake 2Not reported48,139Aug 6, 2024
Fred Burr LakeNot reported42,925Jul 27, 2023
McKelvey LakeMadison41,950Sep 25, 2022
Mine LakeMadison43,901Sep 25, 2022
Axolotl LakeNot reported43,225Jul 27, 2022
Breneman LakeNot reported42,000Jul 27, 2022
Lillian LakeNot reported42,000Jul 27, 2022
Reservoir LakeNot reported43,010Jul 27, 2022
Upper Bear LakeNot reported41,600Jul 27, 2022
Bass LakeNot reported411,900Jul 27, 2021
Carlton LakeMissoula46,000Jul 27, 2021
Dalton LakeMineral41,300Jul 27, 2021
Duffy LakeRavalli43,600Jul 27, 2021
French LakeMineral42,850Jul 27, 2021

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

In your pocket

Take every fishing spot with you.

Free, no account needed. Water reports, offline maps, and an AI fish identifier in your pocket.

  • Every charter, guide, and access point in your pocket

  • Snap a photo. AI names the catch

  • Water and bite reports before you launch

  • Offline-ready maps for water with no signal

The Angling Hubs app dashboard

For operators

Run your fishing business?
Launch your branded surface.

Get your own branded surface in the Angling Hubs app and a directory listing in minutes. bookings, digital waivers, and your whole operation in one cockpit.