- Historic site and monument
Le Pont Romain
![](https://static.savoie-mont-blanc.com/wp-content/uploads/external/6991fc6b6d9e05e57017c6da97d3c6c3-7879964-1745x1163.jpg)
The Roman Bridge is located on the historical site of St Christophe la Grotte. Hanged above the Guiers Vif River, this was a natural border between the Duchy of Savoy and France until 1860 (year of the annexation of Savoy by France.)