Monte Toc, nicknamed The Walking Mountain by locals due to its tendency to experience landslides,
is a mountain on the border between
Veneto
Veneto, officially the Region of Veneto, is one of the 20 regions of Italy, located in the Northeast Italy, north-east of the country. It is the fourth most populous region in Italy, with a population of 4,851,851 as of 2025. Venice is t ...
and
Friuli-Venezia Giulia
Friuli-Venezia Giulia () is one of the 20 regions of Italy and one of five autonomous regions with special statute. The regional capital is Trieste on the Gulf of Trieste, a bay of the Adriatic Sea.
Friuli-Venezia Giulia has an area of and a ...
in
Northern Italy
Northern Italy (, , ) is a geographical and cultural region in the northern part of Italy. The Italian National Institute of Statistics defines the region as encompassing the four Northwest Italy, northwestern Regions of Italy, regions of Piedmo ...
. Its base is located next to the reservoir created by the
Vajont Dam, which was built in 1960. In
Friulian, the mountain's name is the abbreviation of "patoc", meaning "rotten" or "soggy".
[ ]
On October 9, 1963, 260 million cubic metres
[ of rock slid down the side of Mount Toc and plunged into the reservoir created by the Vajont Dam, causing a ]megatsunami
A megatsunami is an incredibly large wave created by a substantial and sudden displacement of material into a body of water.
Megatsunamis have different features from ordinary tsunamis. Ordinary tsunamis are caused by underwater tectonic activi ...
250 metres high over the dam wall and destroying the town of Longarone and its suburbs.
References
External links
* Excerpt from
''Silenced Rivers: The Ecology and Politics of Large Dams''
by Patrick McCully
{{DEFAULTSORT:Toc, Mount
Mountains of Veneto
Mountains of Friuli-Venezia Giulia
Mountains of the Alps