Snorkeling in Austria
Including Achensee, Attersee, and Grüner See (Green Lake). On the map.
The vibe
Clear alpine lake waters reveal unique underwater flora and fauna, a contrast to typical sea snorkeling. The best time is late spring to early autumn when the water is calm. Small groups often explore guided by local experts, sometimes paying a marine park fee. The vibe is intimate and organized.
park fee
Achensee
Tyrol
HellasX / Wikimedia Commons (CC BY-SA 3.0)
Often called the 'Fiord of Tyrol,' Achensee boasts fjord-like mountain scenery and crystal-clear turquoise freshwater with visibility reaching up to 10 meters. Snorkelers can explore the rocky shallows along the shorelines where trout and perch congregate.
Access. Shore entries are available from public beaches around Pertisau and Maurach, with equipment hire offered by local outdoor shops.
Notes. Water can be cold; surface currents can occasionally pick up on windy afternoons.
Attersee
Upper Austria
Linie29 / Wikimedia Commons (CC BY-SA 4.0)
Known as the 'Underwater Grand Canyon' due to its dramatic underwater rock formations and exceptional visibility exceeding 25 meters. Snorkelers can explore crystal-clear freshwater shallows teeming with whitefish, trout, and unique aquatic flora.
Access. Shore entry is easily accessed via designated public beach areas and diving spots around the lake, with equipment rentals available locally during the summer months.
Notes. Water temperatures remain brisk even in summer, so a wetsuit is recommended for longer sessions.
Grüner See (Green Lake)
Styria
Gerdsch / Wikimedia Commons (CC BY-SA 3.0 at)
A truly unique alpine snorkel experience where melting snow from the Hochschwab mountains submerges park trails, benches, and bridges in emerald-green freshwater. Snorkelers glide over submerged meadows and forest paths in water of astonishing clarity.
Access. Accessible by a short walk from Tragöß, though swimming and snorkeling regulations vary by season to protect the fragile ecosystem. Check local park rules before entering.
Notes. Strictly regulated to preserve water quality; diving and snorkeling are permitted only during specific high-water months.
Lünersee
Vorarlberg
böhringer friedrich / Wikimedia Commons (CC BY-SA 2.5)
Nestled in the Rätikon Alps, this high-altitude alpine lake offers crystal-clear, albeit cold, mountain water for unique freshwater snorkeling. The surrounding dramatic mountain peaks and the high visibility of the glacial-fed water provide a surreal experience for those equipped with appropriate thermal gear.
Access. Accessible via the Lünersee cable car from Brand; snorkeling is a self-guided shore entry activity for experienced cold-water swimmers.
Notes. Water temperatures are very low year-round; drysuits are highly recommended. No formal rental shops for snorkeling gear on-site.
Millstätter See
Carinthia
Leon Klagenfurt / Wikimedia Commons (Public domain)
A deep, warm-water lake in Carinthia known for its clear, drinkable water and gentle shorelines. Snorkelers can easily explore the weed beds and pebble shallows teeming with small fish.
Access. Shore entry from public beaches and lidos around Millstatt and Seeboden.
Neusiedler See
Burgenland
Doronenko / Wikimedia Commons (CC BY-SA 4.0)
A sprawling steppe lake on the Austrian-Hungarian border offering shallow, sun-warmed waters ideal for relaxed surface snorkeling and observing aquatic life among the reed belts.
Access. Shore entry from numerous lakeside lidos and beach resorts around Podersdorf am See and Rust.
Notes. Visibility varies due to the shallow, windy nature of the steppe lake.
Traunsee
Upper Austria
C.Stadler/Bwag / Wikimedia Commons (CC BY-SA 3.0 at)
Austria's deepest lake features dramatic steep rock walls plunging directly into clear emerald waters. Snorkelers exploring the shallow shore zones near Gmunden can observe thriving freshwater fish populations and rocky underwater shelves.
Access. Easy shore access via public lidos and lakeside promenades around Gmunden and Ebensee.
Wolfgangsee
Salzburg
Florian Fuchs / Wikimedia Commons (CC BY 3.0)
A picturesque alpine lake featuring warm summer shallows and remarkably clear drinking-water quality. Snorkelers enjoy exploring the sandy and pebble shorelines where small fish schools and clear drop-offs provide pleasant recreational viewing.
Access. Easy shore entries from public lidos and beaches around St. Gilgen and Strobl, with gear rentals and boat access available nearby.
Wörthersee
Carinthia
Michielverbeek / Wikimedia Commons (CC BY-SA 4.0)
Carinthia's largest lake features Caribbean-hued turquoise water in its shallow bays during summer. Snorkelers enjoy swimming along the reed fringes and pebbled shallows where diverse freshwater species find refuge.
Access. Shore access via numerous public lidos (Badeanstalten) spanning Velden, Pörtschach, and Klagenfurt.
Notes. Heavy boat traffic in summer months; stay within designated swimming zones.