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About this water
Rock Lake, Upper is a lake in Utah. State records show it stocked 10 times between 2002 and 2025. The most-stocked species are colorado river cutthroat trout and cutthroat trout. 15,628 colorado river cutthroat trout have gone in across 9 releases.
Stocking history
10 recorded stockings
| Date | Species | Number | Size | Hatchery |
|---|---|---|---|---|
| Sep 18, 2025 | Cutthroat trout | 1,671 | 2.1" | — |
| Sep 19, 2023 | Colorado River cutthroat trout | 1,684 | 1.4" | — |
| Oct 12, 2018 | Colorado River cutthroat trout | 2,016 | 1.8" | — |
| Oct 7, 2013 | Colorado River cutthroat trout · Cutthroat, S. Slope, Sheep L. | 1,982 | 1.4" | — |
| Sep 15, 2010 | Colorado River cutthroat trout · Cutthroat, S. Slope, Sheep L. | 2,000 | 2.0" | — |
| Sep 15, 2009 | Colorado River cutthroat trout · Cutthroat, S. Slope, Sheep L. | — | 2.0" | — |
| Sep 24, 2008 | Colorado River cutthroat trout · Cutthroat, S. Slope, Sheep L. | 2,004 | 1.4" | — |
| Sep 15, 2008 | Colorado River cutthroat trout · Cutthroat, S. Slope, Sheep L. | 2,000 | 2.0" | — |
| Sep 30, 2003 | Colorado River cutthroat trout | 1,969 | 1.8" | — |
| Oct 7, 2002 | Colorado River cutthroat trout | 1,973 | 2.1" | — |
Stocking records for Rock Lake, Upper published by Utah Division of Wildlife Resources. Stocking does not guarantee fish are present. Check current regulations and access before you go. See the full Utah stocking report.
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