"Pässe in der Schweiz" [Passes in Switzerland] (in German). Touring Club Schweiz. Archived from the original on 21 October 2014. Retrieved 17 October 2014.
veloland.ch
"Aare Route". Veloland. SwitzerlandMobility Foundation. Retrieved 29 October 2014.
"Pässe in der Schweiz" [Passes in Switzerland] (in German). Touring Club Schweiz. Archived from the original on 21 October 2014. Retrieved 17 October 2014.