Limestone · Jura / Neuchâtel

Doubs

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Jura limestone river forming part of the French-Swiss border, exceptional grayling fishing and wild brown trout in chalk stream character water.

Species

A proper day on the water

River high but settled. Match the colour and fish the seams.

55% confidence in this read
Water temperature for grayling
Ideal
6°C est.ideal 4–14°C
0°14°28°
Why this score · for grayling
  • Temperature10028% weight
  • Flow8022% weight
  • Clarity8518% weight
  • Feeding Time1013% weight
  • Pressure807% weight
  • Prey Activity2912% weight
Conditions
Level
751.00 m
Water temp
6.4°C
Estimated
Clarity
Clear
Air temp
1°C
Wind
SW 9 km/h
Light breeze
Pressure
1017 hPa
Rain · 48h
0.2 mm
No meaningful rain
Rain · ahead
6.8 mm
Light rain · next 48h

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

How to fish it · for grayling
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
10 ft #3 rod, floating line, long leader to 4 lb fluoro for nymphs.
Why this works
Good conditions. Temperature is favourable (100), Feeding time is weakest (10).
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.

Permits & access
Permit required — see local rules.
  • Franco-Swiss border river
  • Swiss patent required for Swiss sections, and French rules apply on the French side
  • Do not assume one roaming border permit.
Directions
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About this water

Jura limestone river forming part of the French-Swiss border, exceptional grayling fishing and wild brown trout in chalk stream character water. Clear, alkaline flow with superb hatches. The French side has the Loue—a similar classic across the frontier.

  • Limestone
Seasons & zones
  • Trout1 March → 30 September
Other water nearby · 5
Booking & contacts