Castle Lake Fish Stocking
SUMMIT County, Utah · 1981–2025 on record
According to Utah DWR — Fish Stocking Report, Castle Lake was last stocked September 17, 2025 with Cutthroat Trout. Castle Lake has 23 stocking records on file, spanning 1981–2025, with about 31,203 fish stocked over that period.
When Castle Lake is stocked
Castle Lake is typically stocked in fall, most often in September — 12 stocking events in that peak month.
Nearby stocked waters
Other stocked waters near Castle Lake, freshest activity first.
Big Elk Reservoir
4 miSUMMIT County · 2 species · 24 records
Last stocked July 2025
Erickson Lake North W26
3 miSUMMIT County · 1 species · 23 records
Last stocked June 2025
Shingle Creek East
2 mi3 species · 23 records
Last stocked July 2024
Shingle Creek West
2 mi1 species · 20 records
Last stocked July 2024
Beaver Lake
5 mi1 species · 28 records
Last stocked July 2024
Yellowpine Upper W65
2 mi1 species · 27 records
Last stocked July 2024
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| September 17, 2025 | Cutthroat Trout | 804 | 2.5" | Utah DWR |
| September 24, 2024 | Cutthroat Trout | 823 | 2.4" | Utah DWR |
| September 19, 2023 | Cutthroat Trout | 399 | 2.28" | Utah DWR |
| September 19, 2022 | Cutthroat Trout | 159 | 2.43" | Utah DWR |
| September 19, 2022 | Cutthroat Trout | 653 | 2.51" | Utah DWR |
| July 9, 2019 | Tiger Trout | 1,202 | 2.65" | Utah DWR |
| August 1, 2011 | Tiger Trout | 1,352 | 2.94" | Utah DWR |
| September 15, 2010 | Cutthroat Trout | 0 | 2" | Utah DWR |
Show 15 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| September 15, 2010 | Cutthroat Trout | 1,463 | 1.55" | Utah DWR |
| September 15, 2009 | Cutthroat Trout | 0 | 2" | Utah DWR |
| September 15, 2008 | Cutthroat Trout | 2,200 | 2" | Utah DWR |
| October 9, 2006 | Cutthroat Trout | 2,262 | 1.53" | Utah DWR |
| September 30, 2006 | Cutthroat Trout | 2,200 | 2" | Utah DWR |
| September 30, 2005 | Cutthroat Trout | 2,200 | 2" | Utah DWR |
| October 9, 1998 | Cutthroat Trout | 2,214 | 2.44" | Utah DWR |
| September 10, 1996 | Cutthroat Trout | 1,203 | 2.38" | Utah DWR |
| August 24, 1994 | Cutthroat Trout | 2,208 | 1.9" | Utah DWR |
| July 9, 1992 | Cutthroat Trout | 2,204 | 1.93" | Utah DWR |
| July 31, 1990 | Cutthroat Trout | 2,206 | 1.67" | Utah DWR |
| July 18, 1988 | Cutthroat Trout | 2,332 | 0" | Utah DWR |
| August 14, 1986 | Cutthroat Trout | 2,218 | — | Utah DWR |
| July 11, 1983 | Brook Trout | 451 | — | Utah DWR |
| July 6, 1981 | Brook Trout | 450 | — | Utah DWR |
Frequently asked
When was Castle Lake last stocked?
According to Utah DWR — Fish Stocking Report, Castle Lake was last stocked September 17, 2025 with Cutthroat Trout.
What fish species are stocked in Castle Lake?
Castle Lake is stocked with Cutthroat Trout, Tiger Trout, and Brook Trout.
What time of year is Castle Lake stocked?
Castle Lake is typically stocked in fall, most often in September.
How often is Castle Lake stocked?
Castle Lake is stocked intermittently — 23 recorded stockings between 1981 and 2025.
How many fish have been stocked in Castle Lake?
About 31,203 fish have been stocked in Castle Lake across 23 recorded events since 1981, per Utah fish & wildlife agency.
What size are the fish stocked in Castle Lake?
Fish stocked in Castle Lake average about 2.1 inches, based on the sizes the agency reported.