Freestone · Quartzite Granite · Utah, US

Uinta south-slope streams cluster

Uinta south-slope streams cluster terrain map
Today · A proper day on the water
Sculpin Streamer
Forecast · Today
A proper day on the water
A proper day for it. Work the seams with an upstream nymph, switch to the dry when they show.
90% projected
Today's fly
Sculpin Streamer
Sculpin Streamer
Conditions on the water · Today
Proxy gauge
Level
Steady
Proxy
via Duchesne River
Water temp7.5°C
ClarityClear
Weather9°C
WindN 10 km/h
Pressure1018 hPa
Rain · recent0.0 mm
Rain · ahead0.0 mm

No gauge on this water — conditions are inferred from Duchesne River. The trend transfers, the absolute level does not.

Water temperature for Brook Trout
Cool — slow
8°C est.ideal 10–16°C
0°14°28°
How to fish it · for Brook Trout
When
Nymphing can work through most of the day.
Where
Cover mixed depths.
Method
Start with tight-line nymphs and adjust if fish rise or drift higher.
Kit
9 ft #4 rod, floating line, 12 ft tapered leader to 4–5 lb fluoro tippet.
Why this works
Good — water clarity is working for you, but water temperature is the limiting factor today.
Likely species
Mayflies
Caddisflies
Hatch timeline · todayPeak at 10am

12pm(now) — Black Midge

Stage: On emergersApproach: Emerger or dryActivity: 77%
Peak emergence window3 food groups active

Peak activity at 10am — Black Midge (Black Midge, Peak emergence window)

Beyond the hatch · worth watchingambient prey(1)

Hatch predictions

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Evidence
Records-basedModerate confidence

Based on species-occurrence records, not local invertebrate surveys.

Through the year
0–3 scale · September highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
2
2
2
2
2
2
2
2
1
Sculpin (North America)Hatch
2
3
2
Brown DunHatch
2
3
3
3
3
3
3
2
SalmonflyHatch
2
3
2
Golden StoneHatch
2
3
2

Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.

Ranked for today
Brook Trout fly box
SD
Sex Dungeon
2-6 · Pattern
Proven pattern for this period
Permits & access
Permit required — see local rules.
  • Cluster overview
  • Verify each stream's access, guide-permit context, and cutthroat-specific rules before surfacing individual reaches
  • Handle native cutthroat conservatively.
What's coming
Plan ahead
5-day outlook
Other water nearby · 1
Duchesne River
29 km
Brown trout · Rainbow trout · Cutthroat trout
Water quality · US Clean Water Act
  • Aquatic life: Impaired
What this classification means

EPA ATTAINS assessment unit 'Uinta River-4' (UT14060003-024_00), 2024 Integrated Report. Aquatic Life use: Not Supporting. Listed impairment causes: Metals Other Than Mercury. This is a Clean Water Act assessment-unit classification (the US analogue of WFD), not a live reading.

Status is for the Clean Water Act assessment unit covering this reach.

EPA ATTAINS (Clean Water Act) · UT14060003-024_00

The full read · show the working · for Brook Trout · confidence 75%
How the 61 is built — score × weight = contribution
Temperature29 × 28%8.1
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time70 × 13%9.1
Pressure75 × 7%5.3
Insect activity31 × 12%3.7
Conditions total= 61
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowproxy via Duchesne Riverproxy
Prey activitymodelled from regional profilemodelled
What would change the calculation
Warmer water — toward the 10–16 °C ideal band — would lift the temperature score.
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Trout 1 January → 31 December
Related guides
Euro Nymphingsubsurface methods
Booking & contacts