Freestone · Limestone · Haute-Savoie

Fillière

Fillière venue image
Google Places

The Fillière feeds the Fier from the Bornes massif and carries enough limestone character to behave like a miniature Jura stream — clear, cold, and stubbornly selective.

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
6°C est.ideal 10–16°C
0°14°28°
Why this score · for brown trout
  • Temperature3928% weight
  • Flow6022% weight
  • Clarity9518% weight
  • Feeding Time5013% weight
  • Pressure807% weight
  • Prey Activity2712% weight
Conditions
Level
Dry recently
No gauge reading
Water temp
6.3°C
Estimated
Clarity
Clear
Air temp
4°C
Wind
E 3 km/h
Calm
Pressure
1016 hPa
Rain · 48h
0.5 mm
No meaningful rain
Rain · ahead
7.6 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
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
Fair conditions. Clarity is favourable (95), Prey activity is weakest (27).
Through the year
0–3 scale · May highlighted
J
F
M
A
M
J
J
A
S
O
N
D
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
Directions
Apple MapsGoogle Maps
About this water

The Fillière feeds the Fier from the Bornes massif and carries enough limestone character to behave like a miniature Jura stream — clear, cold, and stubbornly selective. It's not long and it's not big, and the pools are short enough that you'll fish the whole river in a morning if you move quickly and know what you're doing. The trout are wild, small, and educated; they've seen the hatches come and go for their entire lives and they are not easily persuaded. Match the olive, drop it on the cushion above the fish, and try not to false-cast over the pool. The canopy is tight in places — a 7ft 3-weight is the right rod. Spring and early summer are the moment. By August the flow thins and the fish retreat under the cut-banks where you can't reach them.

  • Limestone
Seasons & zones
  • Trout2nd Saturday of March → 3rd Sunday of September
Other water nearby · 5
Booking & contacts