Name: Hotel Vajont
Address: Piazza Monte Toc, 5, Vajont, Friuli-Venezia Giulia, 33080, Italy
Telephone: +39 0427 799682

The Friulian Dolomites website has all the info about guided tours of the Vajont dam:
https://bit.ly/42rA32r

To buy tickets for a guided tour of the Vajont dam:
https://bit.ly/4nXmG28