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Stocked last season

Ostle Reservoir Fish Stocking

Montana · 1967 to 2025 on record

According to FWP records, Ostle Reservoir has 58 stocking records on file across 2 species. The most recent stocking season represented is 2025.

Ostle Reservoir stocking
Ostle Reservoir photo
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58
Stocking records
83,974
Fish reported stocked
2
Species
2025
Latest season

Stocking activity by season

36 seasons on record, most in the 2020 (5 records). Click a bar to jump to that season below.

2 records
2025 · 2,200 fish
1998
1999
2002
2003
2004
2005
2006
2008
2009
2010
2011
2012
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2021
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2024
2025

Stocking records per season (labelled by the season's end year). Montana's source reports by season, so records aren't broken out by month. Showing the most recent 25 of 36 seasons — the full history is listed below.

Most-stocked species

Rainbow Trout 55 records
Tiger Muskie (Northern X Muskie) 3 records

Location

47.9734, -112.6320

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Stocking history

Values shown exactly as the agency reported them; species names are normalized for search.

SpeciesFish stockedSizePhase
Rainbow Trout 1,200 3.7 in Eagle Lake
Rainbow Trout 1,000 6.02 in Arlee

A stocking record does not guarantee fish remain present or may legally be harvested. Check current Montana fishing regulations →

Quick facts

Latest season 2025
Most stocked Rainbow Trout
Species Rainbow Trout, Tiger Muskie (Northern X Muskie)
Seasons on record 1967 – 2025
Fish reported 83,974
Coordinates 47.9734, -112.6320

Data source

Compiled from public records published by the Montana Fish, Wildlife & Parks. StockedSpots is independent and not affiliated with or endorsed by FWP.

Source: Montana Fish, Wildlife & Parks (FWP). Data last checked September 1, 2026.
View FWP source →

Nearby stocked waters

Frequently asked questions

FWP records show Ostle Reservoir stocked with Rainbow Trout, Tiger Muskie (Northern X Muskie).

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