Isar

River

The Isar is an alpine Danube tributary with a pronounced salmonid and grayling zone.

River system: Donau
Length: 292 km
Species: 34
Threatened (Red List): 5

Federal states

Bavaria

Map: Natural Earth (public domain); © OpenStreetMap contributors (ODbL)

Fishing here

Besides a fishing licence (Fischereischein) you need a permit (Angelkarte) from whoever holds the fishing rights for the water.

Bavaria

Guest licence for non-residents

Without the exam for adults not resident in Germany, for up to three months; issued by the municipality.

Fishing licence BayFiG AVBayFiG

Species	Bavaria
Brown Trout	26 cm · 1 Oct – 15 Mar
Common Carp	35 cm
European Eel	50 cm · 1 Oct – 31 Dec
Grayling	35 cm · 1 Jan – 30 Apr
Northern Pike	50 cm · 15 Feb – 30 Apr
Pike-perch (Zander)	50 cm · 15 Feb – 30 Apr

Minimum size · closed season, per state; a range is a harvest slot. Statewide rules for anglers as of 24 Oct 2026, without guarantee. Clubs and waters can set stricter rules; the ordinance text is binding.

Fish species in this water body

Expected occurrence, modelled from the fish zones of this water (trout zone, grayling zone, and barbel zone), habitat type and the federal states a species lives in, and checked against GBIF records — not a record of observations here.