Spate · Granite · Brittany / Finistère (Quimper), FR

Odet

Photo of Odet

Brittany river near Quimper on granitic Armorican bedrock.

Poor · Brown Trout
Pheasant Tail Nymph · 14–18
New ruleReported 7 Aug 2026

Severe drought restrictions (crise) in force

VigiEau lists this venue's surface-water zone (ODET, dépt 29) at crise, under an official préfectoral drought arrêté. Fishing is not itself banned by it, but water levels are low — go gently on stressed fish.

Arrêté préfectoral n°37652 ↗

Temporary notices from official orders and recent fishery reports — they clear automatically once out of date. Always confirm locally before travelling.

Closed season
Out of season. Try elsewhere.
Closed — confidence not applicable today.
What moved it
  • Level0.39 mLast reading 56 min ago
  • Water temp9.6°C
  • ClarityClear
Today's fly
Pheasant Tail Nymph
Pheasant Tail Nymph14–18
Upstream
Conditions on the water
Live gauge
Level
Steady
0.39 m
Last reading 56 min ago
Water temp9.6°C
ClarityClear
Weather10°C
WindE 14 km/h
Pressure1016 hPa
Rain · recent2.7 mm
Rain · ahead9.1 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
Cool — slow
10°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.
Likely species
Stoneflies
Gammarids
Hatch timeline · todayPeak at 11am

Hatch predictions

Today's headline hatch shown — see all 7 active hatches hour by hour as a supporter.

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Sub-surface · on the nymphunder the surface

Hatch predictions

Top nymph shown — see all 3 guilds as a supporter.

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Evidence
Survey-backed · regionalHigh confidence

Backed by regional invertebrate surveys; no sampling on this exact reach yet.

Through the year
0–3 scale · November highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
2
2
2
1
March BrownHatch
2
3
2
Late March BrownHatch
2
3
2
Large Brook DunHatch
2
3
2
Large StoneflyHatch
2
3
2

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

Ranked for today
Brown Trout fly box

More balanced than the mountain-river pack. French nymphing still matters, but there is more room for dries, spiders and general searching flies.

Permits & access
Permit required — see local rules.
  • AAPPMA permits.
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
Steir
< 1 km
0
Brown trout · Salmon · Sea trout
Jet
10 km
0
Brown trout · Salmon · Sea trout
Aven
31 km
0
Brown trout · Sea trout
Aulne
38 km
0
Brown trout · Salmon · Sea trout
Isole
43 km
0
Brown trout · Salmon · Sea trout
Gallery · 2
  1. Photo of Odet
    Odet — image via Wikipedia (Odet)
  2. Terrain map of the venue
    Terrain map
About this water

Wild trout water with fly-fishing opportunity on accessible beats. Spring through early autumn fishing. Spate character means good flow after Atlantic rainfall. Some sections may be private; check AAPPMA for public access and regulations.

Hatches & food

On Atlantic trout rivers in Normandy and Brittany, regional studies and on-the-bank experience point to spring mayflies as the main early driver, a strong band of spring and early-summer caddis as channels warm and open, background buzzer life ticking away right through the year, and terrestrials from wooded banks adding important surface food in summer and early autumn, with autumn olives extending sport wherever trout-season rules allow.

  • Granite
Water quality (WFD)
  • Ecology: Good
  • Chemical: Failing to achieve good
What this classification means

WFD re-coded 2026-06-18: prior id FRGR0083 actually identifies the Jet — this river was mis-tagged to a neighbouring water body. Re-mapped to FRGR0078. Status: EEA WISE 2022 (3rd RBMP). Confidence: high — single Odet water body. Source: discodata.eea.europa.eu.

WFD classification · FRGR0078

The full read · show the working · for Brown Trout · confidence 90%
How the 0 is built — score × weight = contribution
Temperature93 × 28%26.0
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time70 × 13%9.1
Pressure80 × 7%5.6
Insect activity55 × 12%6.6
Conditions total= 82
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitysurvey-backed invertebrate datasurvey
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Trout 2nd 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.

Related guides
Pyrenees PlaybookFrench riversEuro Nymphingsubsurface methods
Booking & contacts
At a glance

Odet is a spate river in Brittany / Finistère (Quimper), France. Its recorded elevation is about 13 m above sea level and the catchment geology is granite. The river is described as roughly 62 km long. Our data lists brown trout, salmon and sea trout here. The salmon season is recorded as running from CLOSED to CLOSED. The trout season is recorded as running from 2nd Saturday of March to 3rd Sunday of September. Best window recorded for anglers: March–September for trout. Core methods listed: nymphing; dry fly; small wet fly. Level and flow data for this water is linked from 1 gauge. Its Water Framework Directive ecological status is recorded as good. Access is recorded as day tickets through the local AAPPMA (angling association). Nearby waters in our listings include Steir at < 1 km, Jet at 10 km and Aven at 31 km.