Montmayeur Castle was built in 1271 by Anselmo and Aimone D´Avise on a steep promontory over the orographic right bank of the Dora Valgrisenche, in a position dominating the entrance to the valley of the same name.
Today it is reduce to ruins, but preserves the cylindrical tower, crowned with beautiful swallowtail battlements. It is still possible to see the remains of the ancient castle and the boundary wall.
Access is only possible on foot, along the path that leaves from the village of Grand Haury, just above Arvier.
References:Inverness Castle sits on a cliff overlooking the River Ness. The red sandstone structure evident today was built in 1836 by architect William Burn. It is built on the site of an 11th-century (c. 1057) defensive structure. Today, it houses Inverness Sheriff Court.
The castle is said to have been built by Máel Coluim III of Scotland, after he had razed to the ground the castle in which Macbeth of Scotland according to much later tradition, murdered Máel Coluim"s father Donnchad I of Scotland, and which stood on a hill around 1 km to the north-east.
The first Inverness Castle was partially destroyed by King Robert I of Scotland and a replacement castle was sacked in the 15th century by the Clan Donald during the Siege of Inverness (1429). The castle was occupied during the Raid on Ross in 1491.
In 1548 another castle with tower was completed by George Gordon, 4th Earl of Huntly (1514–1562). He was constable of the castle until 1562.