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Stocked last season

Castle Rock Reservoir Fish Stocking

Montana · 1976 to 2013 on record

According to FWP records, Castle Rock Reservoir has 39 stocking records on file across 7 species. The most recent stocking season represented is 2013.

Castle Rock Reservoir stocking
Castle Rock Reservoir photo
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39
Stocking records
1,649,771
Fish reported stocked
7
Species
2013
Latest season

Stocking activity by season

31 seasons on record, most in the 1991 (4 records). Click a bar to jump to that season below.

1 records
2013 · 1,000 fish
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013

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 31 seasons — the full history is listed below.

Most-stocked species

Walleye 29 records
Smallmouth Bass 3 records
Channel Catfish 2 records
Northern Pike 2 records
Crappie 1 record

Location

45.8931, -106.6395

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Stocking history

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

SpeciesFish stockedSizePhase
Walleye 1,000 1.5 in Fort Peck

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

Quick facts

Latest season 2013
Most stocked Walleye
Species Walleye, Smallmouth Bass, Channel Catfish, Northern Pike, Crappie, Fathead Minnow, Largemouth Bass
Seasons on record 1976 – 2013
Fish reported 1,649,771
Coordinates 45.8931, -106.6395

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

State: Montana 2.0 mi
Colstrip Pond 2
1 records · 1 species
Latest 1965
State: Montana 2.1 mi
Colstrip Pond 1
41 records · 7 species
Latest 1975
State: Montana 2.2 mi
Colstrip Pond 3
46 records · 7 species
Latest 1979
State: Montana 10.5 mi
Arnold Pond #4
2 records · 2 species
Latest 1951
State: Montana 12.4 mi
Arnold Pond #3
2 records · 2 species
Latest 1951
State: Montana 12.8 mi
Philbrick Reservoir
4 records · 3 species
Latest 1978

Frequently asked questions

FWP records show Castle Rock Reservoir stocked with Walleye, Smallmouth Bass, Channel Catfish, Northern Pike, Crappie, Fathead Minnow, Largemouth Bass.

See something that looks off?

Every stocking record on StockedSpots is pulled directly from official state wildlife agency sources — you can see exactly where each state's data comes from on our data sources page. If a record looks wrong, or you'd like a page reviewed or removed, let us know and we'll look into it.

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