Tailwater · Mixed · Wyoming, US

North Platte River — Miracle Mile

North Platte River — Miracle Mile terrain map

The Miracle Mile is five and a half miles of cold tailwater between Kortes and Pathfinder, dropped down in the middle of Wyoming nowhere about an hour from anywhere, and it grows enormous brown and rainbow trout that run up out of the reservoirs to spawn.

Tomorrow · About as good as it gets
Czech Nymph
Forecast · Tomorrow
About as good as it gets
On the feed top to bottom — start on the rises with a dry, drop a nymph if they stay down.
75% projected
Today's fly
Czech Nymph
Czech Nymph
Conditions on the water · Tomorrow
Estimate
Level
Dry recently
No gauge reading
Water temp11.5°C
ClarityClear
Weather19°C
WindN 13 km/h
Pressure1014 hPa
Rain · recent0.0 mm
Rain · ahead0.1 mm

No gauge on this water — readings are regional estimates from weather, not a live gauge.

Water temperature for Brown Trout
Ideal
12°C est.ideal 10–16°C
0°14°28°
How to fish it · for Brown 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
Excellent — water temperature is right today, though insect activity could be better.
Likely species
Mayflies
Caddisflies
Hatch timeline · tomorrowPeak at 11am

12pm(now) — Western Blue-Winged Olive

Stage: On emergersApproach: Emerger or dryActivity: 79%
Also:Black Midge45%
Peak emergence window7 food groups active

Peak activity at 11am — Western Blue-Winged Olive (Western Blue-Winged Olive, Peak emergence window)

Sub-surface · on the nymphunder the surface

Hatch predictions

Top nymph shown — see all 2 guilds with Pro.

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Beyond the hatch · worth watchingambient prey(1)

Hatch predictions

Top prey shown — see all 3 with Pro.

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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
Western Blue-Winged OliveHatch
2
3
3
3
3
3
3
3
2
Pale Morning DunHatch
2
3
3
2
TricoHatch
2
3
2
Black MidgeHatch
2
3
3
3
3
3
3
3
3
3
3
2

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

Ranked for today
Brown Trout fly box
Permits & access
Permit required — see local rules.
  • Wyoming licence
  • Tailwater open all year; flow tracks the Kortes Dam release with a statutory minimum
  • Check Wyoming Game & Fish.
What's coming
Plan ahead
5-day outlook
About this water

The Miracle Mile is five and a half miles of cold tailwater between Kortes and Pathfinder, dropped down in the middle of Wyoming nowhere about an hour from anywhere, and it grows enormous brown and rainbow trout that run up out of the reservoirs to spawn. A law actually guarantees a minimum flow here to keep the fishery alive — that's where the name comes from. It blows with the wind, it's crowded in the run seasons, and the fish are heavy and strong. Flow comes off Kortes Dam, so you watch the release, not the sky.

  • Mixed
The full read · show the working · for Brown Trout · confidence 90%
How the 83 is built — score × weight = contribution
Temperature100 × 28%28.0
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time60 × 13%7.8
Pressure80 × 7%5.6
Insect activity60 × 12%7.2
Conditions total= 83
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitymodelled from regional profilemodelled
What would change the calculation
The dawn and dusk windows score higher than the midday lull.
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Trout 1 January → 31 December
Related guides
Euro Nymphingsubsurface methods
Booking & contacts