Montana stocking report
Castle Rock Reservoir
58 records Last stocked: June 19, 2025
The short answer
Castle Rock Reservoir was last stocked on June 19, 2025: 1,000 Walleye (1.29 in avg).
Location map
Castle Rock Reservoir location context
Castle Rock ReservoirRosebud County Ponessa PondRosebud County Blacks Sawmill PondRosebud County Beecher Trout ReservoirRosebud County Big Timber Trout Pond #1Rosebud County
Pins use the finest location published with the stocking record. County-level pins show area context, not an exact access point; confirm access and directions with the official agency source.
Agency records
Full stocking history
| Date | Species | Fish | Size | Hatchery |
|---|---|---|---|---|
| June 19, 2025 | Walleye | 1,000 | 1.29 in avg | Miles City Fish Hatchery |
| June 11, 2024 | Walleye | 1,000 | 1.3900000000000001 in avg | Miles City Fish Hatchery |
| July 12, 2023 | Walleye | 1,000 | 2.0100000000000002 in avg | Miles City Fish Hatchery |
| June 15, 2022 | Walleye | 1,000 | 1.1300000000000001 in avg | Miles City Fish Hatchery |
| September 30, 2021 | Channel Catfish | 8,227 | 1.57 in avg | Miles City Fish Hatchery |
| August 20, 2021 | Channel Catfish | 1,000 | 1.69 in avg | Miles City Fish Hatchery |
| June 28, 2021 | Walleye | 1,000 | 1.76 in avg | Miles City Fish Hatchery |
| August 19, 2020 | Channel Catfish | 1,000 | 1.61 in avg | Miles City Fish Hatchery |
| June 10, 2020 | Walleye | 2,000 | 2.79 in avg | Miles City Fish Hatchery |
| June 19, 2019 | Walleye | 1,000 | 1.59 in avg | Miles City Fish Hatchery |
| August 3, 2018 | Smallmouth Bass | 4,000 | 2.19 in avg | Miles City Fish Hatchery |
| June 24, 2018 | Walleye | 1,000 | 1.7 in avg | Miles City Fish Hatchery |
| August 22, 2017 | Channel Catfish | 1,000 | 2 in avg | Miles City Fish Hatchery |
| June 14, 2017 | Walleye | 1,000 | 1.51 in avg | Miles City Fish Hatchery |
| June 14, 2016 | Walleye | 1,000 | 1.34 in avg | Miles City Fish Hatchery |
| July 22, 2015 | Channel Catfish | 1,000 | 2.5 in avg | Miles City Fish Hatchery |
| June 16, 2015 | Walleye | 1,000 | 2 in avg | Miles City Fish Hatchery |
| September 2, 2014 | Smallmouth Bass | 4,000 | 2.49 in avg | Miles City Fish Hatchery |
| June 24, 2014 | Walleye | 1,000 | 1.25 in avg | Miles City Fish Hatchery |
| June 11, 2013 | Walleye | 1,000 | 1.5 in avg | Miles City Fish Hatchery |
| June 11, 2012 | Walleye | 1,000 | 1.49 in avg | Miles City Fish Hatchery |
| June 21, 2011 | Walleye | 1,000 | 1.12 in avg | Miles City Fish Hatchery |
| June 22, 2010 | Walleye | 1,000 | 1.5 in avg | Miles City Fish Hatchery |
| June 24, 2009 | Walleye | 1,049 | 2 in avg | Miles City Fish Hatchery |
| June 17, 2008 | Walleye | 1,100 | 1.2 in avg | Miles City Fish Hatchery |
| June 12, 2007 | Walleye | 1,000 | 1.5 in avg | Miles City Fish Hatchery |
| June 7, 2006 | Walleye | 1,000 | 1 in avg | Miles City Fish Hatchery |
| June 14, 2005 | Walleye | 1,000 | 1.2 in avg | Miles City Fish Hatchery |
| July 22, 2004 | Walleye | 1,000 | 2.2 in avg | Miles City Fish Hatchery |
| June 11, 2003 | Walleye | 1,000 | 1.1 in avg | Miles City Fish Hatchery |
| June 19, 2002 | Walleye | 1,000 | 1.2 in avg | Miles City Fish Hatchery |
| June 7, 2001 | Walleye | 1,000 | 1.1 in avg | Miles City Fish Hatchery |
| October 23, 2000 | Channel Catfish | 8,000 | 2.3000000000000003 in avg | Miles City Fish Hatchery |
| June 12, 2000 | Walleye | 1,000 | 1.2 in avg | Miles City Fish Hatchery |
| June 17, 1999 | Walleye | 1,000 | 1.2 in avg | Miles City Fish Hatchery |
| June 11, 1998 | Walleye | 1,000 | 1.3 in avg | Miles City Fish Hatchery |
| June 11, 1997 | Walleye | 1,000 | 1.2 in avg | Miles City Fish Hatchery |
| June 17, 1996 | Walleye | 5,040 | 1.4000000000000001 in avg | Miles City Fish Hatchery |
| June 8, 1995 | Walleye | 5,000 | 1.1 in avg | Miles City Fish Hatchery |
| June 6, 1994 | Walleye | 5,000 | 1.3 in avg | Miles City Fish Hatchery |
| June 4, 1993 | Walleye | 5,000 | 1.3 in avg | Miles City Fish Hatchery |
| June 9, 1992 | Walleye | 5,000 | 1.1 in avg | Miles City Fish Hatchery |
| July 29, 1991 | Smallmouth Bass | 912 | 6.2 in avg | Miles City Fish Hatchery |
| July 29, 1991 | Smallmouth Bass | 1,600 | 5 in avg | Miles City Fish Hatchery |
| July 26, 1991 | Smallmouth Bass | 3,970 | 1.7 in avg | Miles City Fish Hatchery |
| June 18, 1991 | Walleye | 5,000 | 1.7 in avg | Miles City Fish Hatchery |
| June 12, 1990 | Walleye | 5,000 | 1.2 in avg | Miles City Fish Hatchery |
| June 19, 1989 | Walleye | 5,000 | 1.8 in avg | Miles City Fish Hatchery |
| April 21, 1988 | Walleye | 50,000 | 0.2 in avg | Miles City Fish Hatchery |
| June 24, 1986 | Walleye | 1,000 | 2 in avg | Miles City Fish Hatchery |
| September 19, 1984 | Channel Catfish | 3,000 | 1 in avg | Miles City Fish Hatchery |
| May 11, 1984 | Walleye | 500,000 | Miles City Fish Hatchery | |
| April 11, 1984 | Northern Pike | 625,000 | Miles City Fish Hatchery | |
| May 16, 1979 | Fathead Minnow | 30,000 | 1 in avg | Miles City - Federal |
| May 24, 1977 | Walleye | 250,000 | Out-of-State | |
| July 29, 1976 | Largemouth Bass | 104,000 | 1 in avg | Miles City - Federal |
| June 2, 1976 | Northern Pike | 15,000 | 2 in avg | Miles City - Federal |
| May 20, 1976 | Crappie | 100 | 10 in avg | Wild |
Records shown exactly as published by Montana Fish, Wildlife & Parks. An event missing here does not mean the water was not stocked - some plants go unreported or are published elsewhere.
Data source: Montana Fish, Wildlife & Parks. Last updated: .
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