Class excursion, 23. October 2025
Biketour from the mouth (Uraniastrasse 1) to the source of the Vienna River.
Wienfluss – Biketour
Fotos: Mar de Alvaro, Sekrit Unzog, Ute Katschthaler, Paula Kiermaier, Valentin Schörghuber, Paul Petritsch
Excursion to the source of the Vienna River.
2025 October 23