Tailwater · Gravel · Alberta

Bow River — below Calgary (McKinnon Flats to Carseland)

Bow River — below Calgary (McKinnon Flats to Carseland) — Banff, Alberta - rivière Bow river
Prime · Brown Trout
Sparkle Dun · 14-18
Primelive now
About as good as it gets
River dropping into shape after a lift. The kind of afternoon you remember — a weighted nymph through the clearing seams, the dry as it settles.
90% confidence
What moved it
  • Level1.23 mDropping after lift
  • Water temp11.2°C
  • ClarityClear
Today's fly
Sparkle Dun
Sparkle Dun14-18
High-confidence seasonal pick
Conditions on the water
Live gauge
Level
Steady
1.23 m
Dropping after lift
Water temp11.2°C
ClarityClear
Weather10°C
WindNW 7 km/h
Pressure1021 hPa
Rain · recent10.1 mm
Rain · ahead0.0 mm

The nearest gauge doesn't record temperatures, so we've estimated it — defer to the river keeper's advice.

Water temperature for Brown Trout
Ideal
11°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 — conditions well-balanced, with water temperature particularly in your favour.
Hatch timeline · todayQuiet day

Hatch predictions

Today's headline hatch shown — see all 6 active hatches hour by hour with Pro.

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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

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 · August 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.
  • Reach-specific C&R / bait-restricted rules
  • Verify current Alberta regs (Zone ES1).
What's coming
Plan ahead
5-day outlook
Other water nearby · 3
Bow River — Calgary (Bearspaw to Policeman's Flats)
23 km
Brown trout · Rainbow trout
Sheep River
49 km
Cutthroat trout · Bull trout · Rainbow trout
Elbow River
51 km
Cutthroat trout · Bull trout · Rainbow trout
Gallery · 2
  1. Bow River — below Calgary (McKinnon Flats to Carseland) — Banff, Alberta - rivière Bow river
    Banff, Alberta - rivière Bow river
  2. Terrain map of the venue
    Terrain map
Conservation note

Wild brown and rainbow trout (no stocking). Bull trout (char, zero limit) and mountain whitefish present, not harvest targets. Whirling disease present — Clean-Drain-Dry.

The full read · show the working · for Brown Trout · confidence 90%
How the 85 is built — score × weight = contribution
Temperature100 × 28%28.0
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time65 × 13%8.5
Pressure80 × 7%5.6
Insect activity65 × 12%7.8
Conditions total= 85
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