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About this water
Mystery (Lost) is a lake in Utah. State records show it stocked 8 times between 2004 and 2026. The most-stocked species are brook trout, colorado river cutthroat trout and cutthroat trout. 5,436 brook trout have gone in across 6 releases.
Stocking history
8 recorded stockings
| Date | Species | Number | Size | Hatchery |
|---|---|---|---|---|
| Jul 15, 2026 | Cutthroat trout | 805 | 2.0" | — |
| Sep 23, 2020 | Colorado River cutthroat trout | 803 | 2.5" | — |
| Jul 9, 2017 | Brook trout · Brook Trout, Triploid | 109 | 2.5" | — |
| Jun 30, 2016 | Brook trout · Brook Trout, Triploid | 1,057 | 2.1" | — |
| Jul 3, 2013 | Brook trout · Brook Trout, Triploid | 1,016 | 2.6" | — |
| Jul 12, 2006 | Brook trout · Brook Trout, Owhi | 1,260 | 2.9" | — |
| Jul 1, 2006 | Brook trout · Brook Trout, Unk Str | 1,000 | 3.0" | — |
| Jul 7, 2004 | Brook trout · Brook Trout, Owhi | 994 | 2.5" | — |
Stocking records for Mystery (Lost) 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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