Helio Solarfähre auf dem Bodensee vor Radolfzell

Helio-Solar Ferry Lake Constance

Strandbadstraße 102 (neben dem Strandcafé),  78315 Radolfzell

The HELIO is the largest solar ship on Lake Constance. Experience the unique nature and landscape of the Untersee Lake on the whisper-quiet solar powered boat.

Official content of Radolfzell am Bodensee

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Untersee Cruises: 50-minute tours on the Untersee, during summer holidays sails Friday afternoon from the Radolfzell harbour pier.

Sunset Trips: Tuesdays and Thursdays, May - September from the Mettnau jetty. Departure time depends on sunset.

Tourist Information Evening Tours: End of May to mid-September every Tuesday at 7:00 pm from Radolfzell harbour.

Special Theme Cruises: Music trips with a harpist, readings or culinary trips — the Helio offers much more than just round trip excursions.

See more dates and prices in the Radolfzell Events Calendar or

Tickets are available at the Tourist Information Radolfzell and on board; drinks served on board. Capacity limited to 48 persons. Trips may be cancelled due to poor sailing weather conditions.