Limestone · Baden-Württemberg / Bavaria

Upper Danube (Obere Donau)

Upper Danube (Obere Donau) terrain map
Terrain map

The young Danube flows through the Swabian Jura limestone gorge—excellent grayling and brown trout in clear, alkaline water.

Species

Slow going — pick your moments

River lifting fast on the rain. Take your time — read the water before you cast.

40% confidence — limited data
Water temperature for grayling
Warm — slow
15.2°Cideal 4–14°C
0°14°28°
Why this score · for grayling
  • Temperature6428% weight
  • Flow3022% weight
  • Clarity4518% weight
  • Feeding Time1013% weight
  • Pressure807% weight
  • Prey Activity2212% weight
Conditions
Level
204.00 m
Water temp
15.2°C
Clarity
Very coloured
Colouring up
Air temp
2°C
Wind
SW 8 km/h
Light breeze
Pressure
1017 hPa
Rain · 48h
0.0 mm
No meaningful rain
Rain · ahead
2.0 mm
Light rain · next 48h

Live readings only. Trends shown where the gauge supports them.

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
Fair conditions. Pressure is favourable (80), 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
Grayling seasonSeason
1
2
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.
  • Upper Danube source
  • Fischereischein + Erlaubnisschein required.
Directions
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About this water

The young Danube flows through the Swabian Jura limestone gorge—excellent grayling and brown trout in clear, alkaline water. The gorge section between Tuttlingen and Sigmaringen is genuinely spectacular. Dry fly and nymphing on classic European limestone water—one of southern Germany's finest grayling rivers.

  • Limestone
Seasons & zones
  • Trout1 March → 30 September
  • Grayling1 May → 31 December
Other water nearby · 3
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