Freestone · Granite · Brittany / Morbihan-Côtes-d'Armor

Blavet

Blavet venue image
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Brittany Atlantic salmon river flowing from Plouay toward the Atlantic.

Species

A side-water session, not the main event

Low and clear — careful approach country. Long leader, small flies, slower casts.

75% confidence in this read
Water temperature for brown trout
Cool — slow
7°C est.ideal 10–16°C
0°14°28°
Why this score · for brown trout
  • Temperature5528% weight
  • Flow6022% weight
  • Clarity9518% weight
  • Feeding Time5013% weight
  • Pressure807% weight
  • Prey Activity2912% weight
Conditions
Level
Dry recently
No gauge reading
Water temp
7.4°C
Estimated
Clarity
Clear
Air temp
10°C
Wind
SW 14 km/h
Gentle breeze
Pressure
1013 hPa
Rain · 48h
0.1 mm
No meaningful rain
Rain · ahead
5.6 mm
Light rain · next 48h

Live readings — water temperature is an estimate where the gauge does not record it.

How to fish it · for brown trout
When
Through the open trout season. Spring olives and grannom; sedges through summer; small dark flies into autumn close.
Where
Pool tails and the seams behind boulders through the Morbihan-Côtes-d'Armor stretches. The Blavet runs Breton freestone water. The Blavet is a longer Morbihan-Côtes-d'Armor system with broader middle reaches.
Method
Upstream dry to risers; dry-dropper through the riffles. Breton spate freestone — fish 12 to 24 hours after rain on the drop. Long leader, fine tippet.
Kit
9 ft #4 — Breton spate freestone. Floating line, 12 ft leader to 4 lb fluoro. Studded boots.
Why this works
Good conditions. Clarity is favourable (95), Prey activity is weakest (29).
Through the year
0–3 scale · May highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Salmon runRun
1
2
2
2
2
2
1
Trout seasonSeason
1
2
2
2
2
2
1
GrannomHatch
2
2
Evening SedgeHatch
2
3
3
3
2
Large Dark OliveHatch
1
2
2
1
Iron BlueHatch
1
2
2
1

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

Gallery · 1
  1. Terrain map of the venue
    Terrain map
Permits & access
Permit required — see local rules.
  • AAPPMA permits
  • Check seasonal arrêté.
Directions
Apple MapsGoogle Maps
About this water

Brittany Atlantic salmon river flowing from Plouay toward the Atlantic. Granitic geology provides rapid drainage and clear water. Spring salmon March–May peak with quick response to Atlantic rainfall. Fish rising phase when fresh water brings fish upstream. Standard Atlantic techniques: larger tubes in flood, dries as conditions drop. Sea trout excellent. Verify Morbihan regulations.

  • Granite
Seasons & zones
  • Salmon1 March → 15 September
  • Trout2nd Saturday of March → 3rd Sunday of September

Salmon: Banned (2026) — Brittany 2026 order bans Atlantic salmon and sea trout on all Breton rivers.

Sea trout: Banned (2026) — Brittany 2026 order bans Atlantic salmon and sea trout on all Breton rivers.

Other water nearby · 5
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