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 temperature for brown trout
Warm — slow16°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.
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.
Start free trial14-day free trial. Cancel anytime.
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
Terrain map
About this water
Water quality (WFD)
- Ecology: Moderate
- Chemical: Unknown
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
Große Wiese
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Small mountain stream in the Wiesental Nature Park, wild brown trout in intimate water.
Water temperature for brown trout
Warm — slow16°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.
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.
Start free trial14-day free trial. Cancel anytime.
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
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)
- Ecology: Moderate
- Chemical: Unknown
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