lake
Red Castle Lake — Uintas South Slope
Fairconditions▲ was Tough yesterday
39°todaySunny
Today’s report
Red Castle Lake — Uintas South Slope is a fair bet today. The DWR last stocked tiger trout (brown × brook hybrid) (5,600 fish) on July 25. This Afternoon's forecast: sunny, 39°F.
- calm, fishable weather
Current conditions
Stocking
Last stocked Jul 25, 2026 — tiger trout (brown × brook hybrid) (5,600 fish).
| Date | Species | Quantity | Avg length |
|---|---|---|---|
| Jul 25, 2026 | tiger trout (brown × brook hybrid) | 5,600 | 3.19" |
| Jul 2, 2025 | tiger trout (brown × brook hybrid) | 4,901 | 3.8" |
| Jul 1, 2025 | tiger trout (brown × brook hybrid) | 698 | 3.79" |
| Jul 8, 2024 | tiger trout (brown × brook hybrid) | 5,603 | 2.78" |
| Jul 14, 2023 | tiger trout (brown × brook hybrid) | 5,599 | 2.83" |
| Jul 11, 2022 | brook trout | 2,200 | 2.92" |
| Jun 28, 2022 | tiger trout (brown × brook hybrid) | 5,670 | 2.65" |
Best time to fish Red Castle Lake — Uintas South Slope
The DWR has stocked Red Castle Lake — Uintas South Slope 7 times over the last 5 seasons, and 100% of those plants landed in June, 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):
Upper Red Castle Lake — Uintas South SlopeSummit CountyFairEast Red Castle Lake — Uintas South SlopeSummit CountyFairSmiths Fork Pass Lake — Uintas South SlopeSummit CountyFairLower Red Castle Lake — Uintas North SlopeSummit CountyFairCliff Lake (Smiths Fork)Summit CountyFairCastle Lake — Uintas North SlopeSummit CountyFairCastle Lake — Weber River drainageSummit CountyFairGem Lake — Uintas South SlopeDuchesne CountyFair
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
This Afternoon
39°F
Sunny
Tonight
18°F
Mostly Clear
Friday
47°F
Sunny
Friday Night
25°F
Mostly Clear
Saturday
50°F
Sunny
Saturday Night
25°F
Mostly Clear
Sunday
45°F
Mostly Sunny
Sunday Night
22°F
Slight Chance Snow Showers then Mostly Clear
Monday
41°F
Slight Chance Snow Showers
Monday Night
27°F
Partly Cloudy then Slight Chance Snow Showers
18% precip