reservoir
Upper Box Creek Reservoir — Monroe Mtn
Fairconditions
29°todayMostly Clear
Today’s report
Upper Box Creek Reservoir — Monroe Mtn is a fair bet today. The DWR last stocked rainbow trout (312 fish) on April 9. Overnight's forecast: mostly clear, 29°F.
- calm, fishable weather
Current conditions
Stocking
Last stocked Apr 9, 2026 — rainbow trout (312 fish).
| Date | Species | Quantity | Avg length |
|---|---|---|---|
| Apr 9, 2026 | rainbow trout | 312 | 10.09" |
| Jun 23, 2025 | tiger trout (brown × brook hybrid) | 1,266 | 3.68" |
| May 15, 2025 | rainbow trout | 2,542 | 10.24" |
| Jul 30, 2024 | splake (lake × brook trout hybrid) | 512 | 2.72" |
| Jul 11, 2024 | tiger trout (brown × brook hybrid) | 559 | 8.13" |
| Jul 11, 2024 | tiger trout (brown × brook hybrid) | 700 | 3.44" |
| May 8, 2024 | rainbow trout | 2,633 | 11.46" |
| Sep 12, 2023 | cutthroat trout | 3,143 | 1.9" |
Best time to fish Upper Box Creek Reservoir — Monroe Mtn
The DWR has stocked Upper Box Creek Reservoir — Monroe Mtn 17 times over the last 5 seasons, and 88% 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):
Lower Box Creek Reservoir — Monroe MtnPiute CountyFairManning Meadow Reservoir — Monroe MtnPiute CountyFairDeep Lake — Monroe MtnSevier CountyFairAnnabella Reservoir — Monroe MtnSevier CountyFairKoosharem ReservoirSevier CountyGoodBig Lake — Monroe MtnSevier CountyFairMonroe PondSevier CountyFairPiute ReservoirPiute CountyTough
Guides & shops for this water
From our independent directory — no booking relationship.
Regulations
No water-specific rules listed for this water in the current Utah Fishing Guidebook — statewide general rules and daily limits apply (trout limit 4, combined). Verify in the current guidebook before you fish.
This week’s weather
Overnight
29°F
Mostly Clear
Friday
55°F
Sunny
Friday Night
31°F
Mostly Clear
Saturday
57°F
Sunny
Saturday Night
36°F
Partly Cloudy
Sunday
53°F
Mostly Sunny
Sunday Night
36°F
Mostly Clear
Monday
53°F
Mostly Sunny then Slight Chance Light Rain
18% precip
Monday Night
37°F
Slight Chance Light Rain
23% precip
Tuesday
49°F
Chance Light Rain then Showers And Thunderstorms Likely
59% precip