Seegrotte

Seegrotte, located in Hinterbrühl near Mödling, is Europe's largest underground lake, housed in a former gypsum mine. The experience begins with a guided tour through the dimly lit tunnels, where you learn about the mine's history and geology. The highlight is a boat ride across the eerie, emerald-green lake, which stretches over 6,000 square meters. The reflections of the cave walls on the still water create a surreal atmosphere. The tour also includes a brief walk through the mine, showcasing mining tools and a small exhibition. It's a unique attraction that combines natural wonder with industrial heritage, suitable for families and anyone seeking an offbeat adventure.

Don't miss

• Boat ride on the vast underground lake
• Guided tour through the historic gypsum mine tunnels
• Seeing the unique mineral formations and reflections on the lake
• Learning about mining techniques and local history

Tickets & tours

Ways to visit Seegrotte

Cheapest way inVienna Scavenger Hunt & Highlights Self-Guided Walking Tour4.2★ · 17 travelers~3 hoursFree cancellationFrom$6 per personSee dates →Most bookedVienna: Skip the Line Schönbrunn Palace and Gardens Guided Tour4.6★ · 1,693 travelers~2 hoursFree cancellationFrom$73 per personSee dates →Private & flexibleVienna Private City Tour: Palaces, Churches & Sacher Cake Option4.7★ · 60 travelers~3 hoursFree cancellationFrom$92 per personSee dates →