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Stocked last season

Olson Reservoir Fish Stocking

Montana · 1966 to 1970 on record

According to FWP records, Olson Reservoir has 6 stocking records on file across 1 species. The most recent stocking season represented is 1970.

Olson Reservoir stocking
Olson Reservoir photo
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6
Stocking records
19,504
Fish reported stocked
1
Species
1970
Latest season

Stocking activity by season

4 seasons on record, most in the 1970 (2 records). Click a bar to jump to that season below.

2 records
1970 · 4,800 fish
1966
1968
1969
1970

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.

Most-stocked species

Rainbow Trout 6 records

Location

46.3611, -110.7341

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Stocking history

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

SpeciesFish stockedSizePhase
Rainbow Trout 1,050 5 in —
Rainbow Trout 3,750 3 in —

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

Quick facts

Latest season 1970
Most stocked Rainbow Trout
Species Rainbow Trout
Seasons on record 1966 – 1970
Fish reported 19,504
Coordinates 46.3611, -110.7341

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 Olson Reservoir stocked with Rainbow Trout.

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