"Kantonsliste A-Objekte". KGS Inventar (in German). Federal Office of Civil Protection. 2009. Archived from the original on 28 June 2010. Retrieved 25 April 2011.
s.geo.admin.ch
map.geo.admin.ch (Map). Swiss Confederation. Retrieved 7 May 2022.
lakelucerne.ch
"Fahrplan Sommer 2022" [Timetable Summer 2022] (PDF) (in German). Schifffahrtsgesellschaft des Vierwaldstättersees. Archived(PDF) from the original on 6 May 2022. Retrieved 6 May 2022.
web.archive.org
"Kantonsliste A-Objekte". KGS Inventar (in German). Federal Office of Civil Protection. 2009. Archived from the original on 28 June 2010. Retrieved 25 April 2011.
"Fahrplan Sommer 2022" [Timetable Summer 2022] (PDF) (in German). Schifffahrtsgesellschaft des Vierwaldstättersees. Archived(PDF) from the original on 6 May 2022. Retrieved 6 May 2022.
