May - October, Thur. - Sun. 10:00 am - 8:00 pm (last tour 7:00 pm!)
Karlsplatz-Girardipark, 1010 Vienna, opposite Café Museum
7,00 EUR / Reduced 5,50 EUR / 3,50 EUR
Click here for online booking
or call the Sewer Authority
Booking Hotline: +43 1 4000-3033 (Mo - Fr, 7:30 am - 4:30 pm)
Minimum age: 12! Tour starts every full hour! Last tour starts at 7 pm.
Max. 20 persons per tour!
To guarantee the start of the tour in time and for the sale of tickets, we ask you to arrive 20 minutes earlier.
about 45 minutes