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Origin and history

The Château de Montmélian, built in the 11th century on a hill overlooking the plain of Isère at 360 meters altitude, was a strategic issue between Savoie and Dauphiné. Its position controlled the passage between the Val du Bourget, the Maurienne/Tarentaise valleys and Italy, as well as a bridge and toll on the Isère. Although traces of Roman and Carolingian occupation exist in the vicinity, the first written mention of the castellanus of Montmelian dates only from 1208 (Montis Meliani).

In the Middle Ages, the castle became a residence of the Counts of Savoy, as evidenced by the birth of Amédée IV in 1197. It also housed strong houses of noble families (Boges, Mareschal, Portier) and was the seat of a chestnutry covering a vast territory, from Chambéry to Lake Bourget. Between the 13th and 15th centuries, important fortification works were carried out there: construction of towers, ditches, creeks, and adaptation to firearms (bombs from 1385). The Duchess Yolande of France was even imprisoned there in 1469 during dynasty conflicts.

The citadel had several notable seats: taken by the French in 1536 during the Italian wars, it heroically resisted in 1630 to Louis XIII despite 13 months of siege. In 1691, after a new victorious siege of Catinat, the walls and the city were razed. Restored by Victor-Amédée II, he was definitively dismantled in 1705 after his surrender during the Spanish Succession War. The current remains — walls, cellars, lime ovens — recall its role as a military lock between the Alps and Dauphiné.

Architecturally, the medieval castle (70×60 m) was integrated in the 16th century into a strong bastion by Emmanuel-Philibert. Its underground, partially obstructed, included access to the city and shops. Among the remaining elements are the cellar of the great rescue, a well, and a fragment of the bastion of the Annonciade. The châtellenie de Montmélian, reorganized in 1313 in four mestralies, also played an administrative and fiscal role for the Counts of Savoie.

Archaeological sources are lacking to confirm a Celtic origin, although the toponym Montmélian evokes a sacred mountain (mel in Gaul). The châtellenie accounts (archived since 1263) reveal a rigorous management of resources, with local craftsmen (masons, carpenters) and artillery founders like Jean Thyod. The site, now in ruins, illustrates the evolution of siege techniques, from medieval palissades to Renaissance bastions.

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