Freestone · Limestone · British Columbia

Bull River

Bull River venue image
Marginal · Cutthroat Trout
Parachute Adams · 12-18
Marginallive now
Slow going — pick your moments
Low and clear — careful approach country. Cover and shadow are doing the work today.
90% confidence
What moved it
  • LevelDry recentlyNo gauge reading
  • Water temp17.1°C
  • ClarityClear
Today's fly
Parachute Adams
Parachute Adams12-18
High-confidence seasonal pick
Conditions on the water
Estimate
Level
Dry recently
No gauge reading
Water temp17.1°C
ClarityClear
Weather18°C
WindSW 13 km/h
Pressure1015 hPa
Rain · recent0.0 mm
Rain · ahead0.0 mm

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

Water temperature for Cutthroat Trout
Warm — slow
17°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 17.1°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 10am

Hatch predictions

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

Start free trial

14-day free trial. Cancel anytime.

Sub-surface · on the nymphunder the surface

Hatch predictions

Top nymph shown — see all 2 guilds with Pro.

Start free trial

14-day free trial. Cancel anytime.

Beyond the hatch · worth watchingambient prey

Hatch predictions

Top prey shown — see all 2 with Pro.

Start free trial

14-day free trial. Cancel anytime.

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
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
Permits & access
Permit required — see local rules.
  • Native C&R, bull trout protected
  • Verify current BC regs (Region 4).
What's coming
Plan ahead
5-day outlook
Cooler water nearby · 3
Water here around 17°C — probably warm enough to stress Cutthroat Trout . These are likely cooler.
Upper Kootenay River
34 km
~11°C
Cutthroat trout · Bull trout · Rainbow trout
Wigwam River
51 km
~14°C
Cutthroat trout · Bull trout
St. Mary River
33 km
~15°C
Cutthroat trout · Bull trout · Rainbow trout
Gallery · 1
  1. Terrain map of the venue
    Terrain map
Conservation note

Native westslope cutthroat (Threatened, C&R) and bull trout (char, protected, C&R). Whirling disease/didymo concerns — Clean-Drain-Dry.

The full read · show the working · for Cutthroat Trout · confidence 90%
How the 28 is built — score × weight = contribution
Temperature54 × 28%15.1
Flow60 × 22%13.2
Clarity85 × 18%15.3
Feeding Time70 × 13%9.1
Pressure75 × 7%5.3
Insect activity64 × 12%7.7
Conditions total= 66
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 15 June → 31 October
Related guides
Euro Nymphingsubsurface methods
Booking & contacts