Spate · Granite · Black Forest / Baden-Württemberg

Große Wiese

Große Wiese venue image
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Small mountain stream in the Wiesental Nature Park, wild brown trout in intimate water.

Marginal · Brown Trout
Pheasant Tail Nymph · 14-18
Marginallive now
Slow going — pick your moments
River dropping into shape after a lift. A short window. Take your time.
55% confidence
What moved it
  • LevelProxyvia Doller
  • Water temp16.3°C
  • ClarityVery colouredColouring up
Today’s fly
Pheasant Tail Nymph
Pheasant Tail Nymph14-18
Upstream
Conditions on the water
Proxy gauge
Level
Steady
Proxy
via Doller
Water temp16.3°C
ClarityVery coloured
Weather18°C
WindW 5 km/h
Pressure1021 hPa
Rain · recent16.1 mm
Rain · ahead4.9 mm

No gauge on this water — conditions are inferred from Doller. The trend transfers, the absolute level does not.

Water temperature for brown trout
Warm — slow
16°C est.ideal 1016°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.
Why this works
Poor — water temperature is working for you, but water clarity is the limiting factor today.
Hatch timeline · todayQuiet day

Hatch predictions

Today's headline hatch shown — see all 7 active hatches hour by hour with Pro.

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Evidence
ModelledModerate confidence

Modelled from regional ecology — no survey or occurrence data for this water yet.

Through the year
0–3 scale · July 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
GrannomHatch
2
2
Large StoneflyHatch
2
3
2
Yellow SallyHatch
2
3
2

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

Ranked for today
Brown Trout fly box
Permits & access
Permit required — see local rules.
  • Black Forest
  • Fischereischein + Erlaubnisschein required.
What's coming
Plan ahead
5-day outlook
Fishing better nearby · 5
Gallery · 1
  1. Terrain map of the venue
    Terrain map
About this water

Small mountain stream in the Wiesental Nature Park, wild brown trout in intimate water. Very short drifts, pocket water territory—Euro nymphing and dry-dropper fishing. The kind of stream where every cast counts.

  • Granite
Water quality (WFD)
  • EcologyModerate
  • ChemicalUnknown

WFD classification · DERW_DEBW_21-04

The full read · show the working · for brown trout · confidence 55%
How the 30 is built — score × weight = contribution
Temperature93 × 28%26.0
Flow80 × 22%17.6
Clarity15 × 18%2.7
Feeding Time55 × 13%7.2
Pressure80 × 7%5.6
Insect activity51 × 12%6.1
Limiting factor: Water is very coloured — too coloured for Brown Trout= 65
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowproxy via Dollerproxy
Prey activitymodelled from regional profilemodelled
What would change the calculation
A drop and clear would lift the flow and clarity scores.
The dawn and dusk windows score higher than the midday lull.
Directions
Seasons & zones
  • Trout1 March → 30 September
Related guides
Booking & contacts