Punt dal Gall Dam
The 928th tallest dam in the world
Punt dal Gall is an arch dam located in Livigno valley, 10.5 km northeast of the Italian town of Livigno. It lies at the border between the Italian region of Lombardy and the Swiss canton of Grisons. As of June 2008, the dam's crown holds a toll that takes payment for crossing the Munt La Schera Tunnel, which connects Livigno and the Engadin valley.
Dam data from Wikidata (CC0) plus curated additions. Summary from Wikipedia (CC BY-SA).