Freestone · Limestone · Bavaria / Garmisch-Partenkirchen, DE

Loisach

Photo of Loisach

One of Bavaria's best fly-fishing spots — high-quality trout and grayling water near Garmisch-Partenkirchen.

Today · A proper day on the water
Pheasant Tail Nymph (sz 18)
Forecast · Today
A proper day on the water
A proper day for it. Work the seams with an upstream nymph, switch to the dry when they show.
55% projected
Today's fly
Pheasant Tail Nymph (sz 18)
Pheasant Tail Nymph (sz 18)
Conditions on the water · Today
Live gauge
Level
Steady
1.18 m
Water temp12.1°C
ClarityClear
Weather17°C
WindN 8 km/h
Pressure1021 hPa
Rain · recent0.0 mm
Rain · ahead0.2 mm

The nearest gauge doesn't record temperatures, so we've estimated it — defer to the river keeper's advice.

Water temperature for Grayling
Ideal
12°C est.ideal 4–14°C
0°14°28°
How to fish it · for Grayling
When
Midday window — grayling feed best from late morning into early afternoon.
Where
Work runs and glides — grayling shoal in the bottom third of the water column.
Method
Tight-line nymph the bottom third with weighted patterns.
Kit
10 ft #3 rod, floating line, long leader to 4 lb fluoro for nymphs.
Why this works
Good — water temperature is working for you, but time of day is the limiting factor today.
Likely species
Mayflies
Caddisflies
Damselflies & dragonflies
Gammarids
Hatch timeline · todayPeak at 2pm

12pm(now) — Daddy Long Legs

Stage: On emergersApproach: Emerger or dryActivity: 53%
Also:Autumn Olive52%Heather Fly45%Cinnamon Sedge31%
12 food groups active

Peak activity at 2pm — Autumn Dun (Autumn Dun, 12 food groups active)

Sub-surface · on the nymphunder the surface

Hatch predictions

Top nymph shown — see all 2 guilds as a supporter.

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Beyond the hatch · worth watchingambient prey(1)

Hatch predictions

Top prey shown — see all 2 as a supporter.

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Evidence
Survey-backed · regionalHigh confidence

Backed by regional invertebrate surveys; no sampling on this exact reach yet.

Through the year
0–3 scale · September 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
Evening SedgeHatch
2
3
3
3
2
Large Dark OliveHatch
1
2
2
1
Iron BlueHatch
1
2
2
2
2
2
2
1
Blue Winged OliveHatch
1
2
2
2
2
1

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

Ranked for today
Grayling fly box

Southern Germany only. Trout and grayling in Bavarian meadow streams, alpine creeks and famous upper-river systems.

Small Perdigón
Small Perdigón
Hook 14–18 · Fly
in season · matches water height
Permits & access
Permit required — see local rules.
  • Upper Bavarian river
  • Fischereischein + Erlaubnisschein required.
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
Loisach — Hotel Bavaria Garmisch fly water
1.0 km
Brown trout · Rainbow trout · Grayling
Eibsee
10 km
Brown trout · Lake trout · Char
Upper Ammer
10 km
Brown trout · Grayling
Leutascher Ache
15 km
Brown trout
Walchensee
22 km
Brown trout · Lake trout · Char
Gallery · 2
  1. Photo of Loisach
    Loisach
  2. Terrain map of the venue
    Terrain map
About this water

One of Bavaria's best fly-fishing spots — high-quality trout and grayling water near Garmisch-Partenkirchen. Strict fly-only and removal rules. Clear alpine limestone water with a proper mountain feel. Access is tightly controlled through local fishing rights — enquire well in advance. A reminder that German access is often restrictive, but the quality justifies the effort.

  • Limestone
Water quality (WFD)
  • Ecology: Moderate
  • Chemical: Unknown

WFD classification · DERW_DEBY_1_F391

The full read · show the working · for Grayling · confidence 55%
How the 75 is built — score × weight = contribution
Temperature100 × 28%28.0
Flow80 × 22%17.6
Clarity85 × 18%15.3
Feeding Time10 × 13%1.3
Pressure80 × 7%5.6
Insect activity62 × 12%7.4
Conditions total= 75
Can you trust it?
Water temperaturelive gauge readinggauge
Level / flowon-river gaugeobserved
Prey activitysurvey-backed invertebrate datasurvey
What would change the calculation
The dawn and dusk windows score higher than the midday lull.
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Trout 1 March → 30 September
  • Grayling 1 May → 31 December

    Bavaria state rule: grayling (Äsche) closed 1 January – 30 April, minimum size 35 cm. Open season 1 May – 31 December. Individual fishery/Hegering may impose stricter rules or shorter access. Always check the specific permit (Fischereischein + Fischereiberechtigung). C&R recommended on classified trout/grayling waters.

    Season dates are set at state or regional level — confirm the local rules.

    Prime sport 1 August → 30 November

Related guides
Grayling Playbookgrayling tacticsEuro Nymphingsubsurface methods
Booking & contacts