Central Europe
Alpine and Balkan water: Austria, Bavaria, Italy, Slovenia, Poland and Czechia.

Fly Fishing in Austria: Rivers, Lakes and the Alpine Year
A region-by-region guide to Austrian fly water, from Hohe Tauern glacier valleys to the Salzkammergut, with the seasons that shape it.
Rights are local and licensing is by state. Hohe Tauern waters run roughly June to September; glacial rivers clear in late July; check the rights-holder first.

Fly Fishing in Bavaria and the Black Forest
Limestone grayling rivers below the Alps, clear mountain lakes and small wild-trout streams in the Black Forest, with the access questions answered first.
Traun, Isar, Loisach, Lech, Wiesent and Upper Danube for trout and grayling; Förchensee, Eibsee, Walchensee and Schluchsee for lakes; Gutach, Große Wiese and Wutach in the Black Forest. Fishing rights are local and licensing is by Land.

Fly Fishing in Northern Italy: A Year-Round Guide
Marble trout and grayling across Trentino, Alto Adige, Lombardy, Veneto, Friuli and Valle d'Aosta, from clear limestone rivers to glacial torrents, with the permits left to the valleys that issue them.
Sarca, Noce, Aurino, Adda, Piave, Tagliamento, Natisone, Dora Baltea, Lys

Fly Fishing in Slovenia: A Year-Round Guide
Marble trout in the Julian Alps, spring-fed karst streams within reach of Ljubljana, a glacial lake at Bohinj and winter huchen. Slovenia is compact, and it fishes in every season.
Soča, Tolminka, Idrijca, Bohinj, Ljubljanica, Sora, Kolpa

Fly Fishing in Poland and the Czech Republic
Where the nymphing method grew up, which rivers to pick, and when to go.
Šumava rivers and the Teplá Vltava, Bohemian trout water, Dunajec and Tatra streams, Carpathian rivers and Pomerania's grayling rivers. Best in spring and autumn; check local rules, permits and closed seasons.