Rules at a glance
- Licence required
Water temperature for Arctic Char
Cool — slow1°C est.ideal 4–12°C
0°14°28°
How to fish it · for Arctic Char
When
July–August, timed to the sea-run char.
Where
The Tree River is the planet's greatest Arctic char river — a gin-clear, boulder-strewn tundra stream to Coronation Gulf that grows the largest sea-run char…
Why this works
Fair — water clarity is working for you, but time of day is the limiting factor today.
Likely species
Chironomids
Evidence
Records-basedModerate confidence
Based on species-occurrence records, not local invertebrate surveys.
Through the year
0–3 scale · October highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
1
Sculpin (North America)Hatch
2
3
2
Brown DunHatch
2
3
3
3
3
3
3
2
SalmonflyHatch
2
3
2
Golden StoneHatch
2
3
2
Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.
Ranked for today
Fly box · Arctic Char
Top
2–6 · Bright Streamer
High-confidence seasonal pick
Permits & access
Permit required — see local rules.
- Trophy C&R / strict limits; lodge access
- Verify current Nunavut regulations.
What's coming
Plan ahead
5-day outlook
Gallery · 2
Terrain map
Conservation note
World-record sea-run Arctic char (trophy catch-and-release). A remote Nunavut river fished via a single licensed lodge; slow-growing Arctic fish, strictly conservation-managed. Clean-Drain-Dry.
The full read · show the working · for Arctic Char · confidence 70%
How the 52 is built — score × weight = contribution
Temperature25 × 28%7.0
Flow68 × 22%15.0
Clarity85 × 18%15.3
Feeding Time25 × 13%3.3
Pressure75 × 7%5.3
Insect activity50 × 12%6.0
Conditions total= 52
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitymodelled from regional profilemodelled
What would change the calculation
Warmer water — toward the 4–12 °C ideal band — would lift the temperature score.
The dawn and dusk windows score higher than the midday lull.
Directions
Seasons & zones
- Trout 1 July → 31 August
Related guides
Booking & contacts
Tree River
Water temperature for Arctic Char
Cool — slow1°C est.ideal 4–12°C
0°14°28°
How to fish it · for Arctic Char
When
July–August, timed to the sea-run char.
Where
The Tree River is the planet's greatest Arctic char river — a gin-clear, boulder-strewn tundra stream to Coronation Gulf that grows the largest sea-run char…
Why this works
Fair — water clarity is working for you, but time of day is the limiting factor today.
Likely species
Evidence
Records-basedModerate confidence
Based on species-occurrence records, not local invertebrate surveys.
Through the year
0–3 scale · October highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
1
Sculpin (North America)Hatch
2
3
2
Brown DunHatch
2
3
3
3
3
3
3
2
SalmonflyHatch
2
3
2
Golden StoneHatch
2
3
2
Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.
Ranked for today
Fly box · Arctic Char
Top
2–6 · Bright Streamer
High-confidence seasonal pick
Permits & access
Permit required — see local rules.
- Trophy C&R / strict limits; lodge access
- Verify current Nunavut regulations.
What's coming
Plan ahead
5-day outlook
Gallery · 2
Terrain map
Conservation note
World-record sea-run Arctic char (trophy catch-and-release). A remote Nunavut river fished via a single licensed lodge; slow-growing Arctic fish, strictly conservation-managed. Clean-Drain-Dry.
The full read · show the working · for Arctic Char · confidence 70%
How the 52 is built — score × weight = contribution
Temperature25 × 28%7.0
Flow68 × 22%15.0
Clarity85 × 18%15.3
Feeding Time25 × 13%3.3
Pressure75 × 7%5.3
Insect activity50 × 12%6.0
Conditions total= 52
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitymodelled from regional profilemodelled
What would change the calculation
Warmer water — toward the 4–12 °C ideal band — would lift the temperature score.
The dawn and dusk windows score higher than the midday lull.
Directions
Seasons & zones
- Trout 1 July → 31 August
Related guides
Booking & contacts