Kolob Reservoir
Today’s report
Kolob Reservoir is fishing well today. The reservoir is 91% full as of September 30 (the operator posts a month-end level, not daily), about normal for the date, and holding steady over the last month. The DWR last stocked tiger trout (brown × brook hybrid) (513 fish) on September 17. Tonight's forecast: clear, 35°F.
- pool is healthy (~91% of capacity as of Sep 30)
- calm, fishable weather
Current conditions
Stocking
Last stocked Sep 17, 2026 — tiger trout (brown × brook hybrid) (513 fish).
| Date | Species | Quantity | Avg length |
|---|---|---|---|
| Sep 17, 2026 | tiger trout (brown × brook hybrid) | 513 | 5.69" |
| Sep 17, 2026 | rainbow trout | 1,777 | 10.83" |
| May 28, 2026 | rainbow trout | 4,995 | 6.06" |
| May 28, 2026 | rainbow trout | 5,025 | 3.94" |
| May 28, 2026 | cutbow (cutthroat × rainbow hybrid) | 11,600 | 2.1" |
| Jun 9, 2025 | tiger trout (brown × brook hybrid) | 1,007 | 3.34" |
| Jun 9, 2025 | rainbow trout | 511 | 10.67" |
| Jun 9, 2025 | rainbow trout | 353 | 2.46" |
Best time to fish Kolob Reservoir
The DWR has stocked Kolob Reservoir 16 times over the last 2 seasons, and 81% of those plants landed in May through July — the freshest fish and the easiest bite usually follow within a week or two of a stocking.
Species
Location
Nearby waters (within ~25 mi):
Regulations
- Limit 2 trout (must be under 15 inches or over 22 inches).
- All trout from 15 to 22 inches must be immediately released.
- Artificial flies and lures only from Jan. 1 through 6 a.m. on the third Saturday in May, and from the second Saturday in September through Dec. 31.
Special rules from the 2026 Utah Fishing Guidebook. Statewide daily limits apply to anything not listed. Rules change — always verify in the current guidebook before you fish.