Freestone · Mixed · Utah

Duchesne River

Duchesne River venue image

The Duchesne is the Uinta Basin's home freestone — the river you fish when you want trout and elbow room in the same day, off on the quiet side of the range from the Provo crowds.

Poor · Rainbow Trout
Parachute Adams · 12-18
Poorlive now
Not the day for it
Low and clear — careful approach country. A morning for the obvious fish only.
90% confidence
What moved it
  • Level0.26 mLast reading 4h ago
  • Water temp22.3°C
  • ClarityClear
Today's fly
Parachute Adams
Parachute Adams12-18
High-confidence seasonal pick
Conditions on the water
Live gauge
Level
Steady
0.26 m
Last reading 4h ago
Water temp22.3°C
ClarityClear
Weather26°C
WindN 24 km/h
Pressure1015 hPa
Rain · recent13.8 mm
Rain · ahead5.2 mm

Live readings — water temperature is an estimate where the gauge does not record it.

Water temperature for Rainbow Trout
Warm — slow
22°C est.ideal 1018°C
0°14°28°
How to fish it · for Rainbow 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
Water at 22.3°C. This is the line where catch-and-release kills brown trout. Do not fish for them today.
Hatch timeline · todayQuiet day

Hatch predictions

Today's headline hatch shown — see all 2 active hatches hour by hour with Pro.

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Sub-surface · on the nymphunder the surface

Hatch predictions

See the full sub-surface read with Pro.

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Beyond the hatch · worth watchingambient prey

Hatch predictions

Top prey shown — see all 2 with Pro.

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Evidence
ModelledModerate confidence

Modelled from regional ecology — no survey or occurrence data for this water yet.

Through the year
0–3 scale · July 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
Western Green DrakeHatch
2
2
Flav (Small Western Green Drake)Hatch
2
3
2
Mahogany DunHatch
2
2
American March BrownHatch
2
3
2

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

Ranked for today
Rainbow Trout fly box
Permits & access
Permit required — see local rules.
  • Open all year (statewide default)
  • Verify current UDWR gear/limit rules
  • Native Colorado River cutthroat in the headwaters and tributaries are conservation-sensitive — handle with care
  • Access lower down is complicated by irrigation diversions and private ground; fish verified public reaches and confirm before promoting any stretch.
What's coming
Plan ahead
5-day outlook
Cooler water nearby · 1
Probably above the Rainbow Trout safety line — these are likely cooler, but carry a thermometer.
Gallery · 1
  1. Terrain map of the venue
    Terrain map
About this water

The Duchesne is the Uinta Basin's home freestone — the river you fish when you want trout and elbow room in the same day, off on the quiet side of the range from the Provo crowds. It tumbles down out of the high Uintas through Tabiona and the canyon country, a classic snowmelt river with wild and stocked browns and rainbows and, up in the cold upper reaches and tributaries, Colorado River cutthroat that carry the basin's native bloodline and deserve a wet hand and a gentle release. It fishes the way a mountain freestone should: pocket water and riffle-run-pool, a dry-dropper or a hopper-dropper drifted through the soft spots, attractors the fish actually come up for. Runoff colours and swells it through late spring, but once it drops and clears — usually high summer into autumn — it's an honest, uncrowded river that rewards reading water over knowing secrets. Mind the access lower down, where irrigation diversions and private ground complicate both the flows and the right to fish.

  • Mixed
The full read · show the working · for Rainbow Trout · confidence 90%
How the 15 is built — score × weight = contribution
Temperature8 × 28%2.2
Flow80 × 22%17.6
Clarity85 × 18%15.3
Feeding Time60 × 13%7.8
Pressure75 × 7%5.3
Insect activity58 × 12%7.0
Limiting factor: Water temperature (22.3°C) is outside Rainbow Trout's preferred range (10–18°C)= 55
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitymodelled from regional profilemodelled
What would change the calculation
Cooler water — back toward the 10–18 °C ideal band — would lift the score and ease welfare.
The dawn and dusk windows score higher than the midday lull.
Directions
Seasons & zones
  • Trout1 January31 December
Related guides
Booking & contacts