Coastal Rain River · Granite · British Columbia

Harrison River

Harrison River venue image
Poor · Cutthroat Trout
Black Beetle · 12-14
Poorlive now
Not the day for it
Low and clear — careful approach country. A morning for the obvious fish only.
80% confidence
What moved it
  • LevelLight rain recentlyNo gauge reading
  • Water temp19.8°C
  • ClarityClear
Today's fly
BB
Black Beetle12-14
High-confidence seasonal pick
Conditions on the water
Estimate
Level
Light rain recently
No gauge reading
Water temp19.8°C
ClarityClear
Weather19°C
WindW 5 km/h
Pressure1018 hPa
Rain · recent2.4 mm
Rain · ahead3.2 mm

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

Water temperature for Cutthroat Trout
Warm — slow
20°C est.ideal 9–15°C
0°14°28°
How to fish it · for Cutthroat 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 19.8°C — above the cutthroat trout caution line (16°C). Fish dawn or dusk only. Land it fast, wet hands, no air shots.
Hatch timeline · todayPeak at 7am

Hatch predictions

Today's headline hatch shown — see all 5 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
Cutthroat Trout fly box
BB
Black BeetleTop
12-14 · Pattern
High-confidence seasonal pick
Permits & access
Permit required — see local rules.
  • Dolly Varden protected/C&R; salmon DFO-regulated
  • Verify current BC regs (Region 2) and DFO notices.
What's coming
Plan ahead
5-day outlook
Water here around 20°C. Nothing cooler within range — carry a thermometer.
Gallery · 1
  1. Terrain map of the venue
    Terrain map
Conservation note

Trophy sea-run cutthroat and bull trout / Dolly Varden (char, protected, C&R) following huge autumn salmon runs; salmon DFO-regulated. Clean-Drain-Dry.

The full read · show the working · for Cutthroat Trout · confidence 80%
How the 11 is built — score × weight = contribution
Temperature16 × 28%4.5
Flow80 × 22%17.6
Clarity85 × 18%15.3
Feeding Time85 × 13%11.1
Pressure75 × 7%5.3
Insect activity65 × 12%7.8
Limiting factor: Water temperature (19.8°C) is outside Cutthroat Trout's preferred range (9–15°C)= 62
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 9–15 °C ideal band — would lift the score and ease welfare.
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Trout 1 January → 31 December
Related guides
Euro Nymphingsubsurface methods
Casting instructors near here
Booking & contacts