Rumilly Castle en Haute-Savoie

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Origin and history

Rumilly Castle, called castrum Rumilliaci in Albanesio, was a castle probably erected in the 10th century, now extinct. Located in Rumilly (Haute-Savoie), it formed with the village a major stronghold on the border of the county of Geneva, until the destruction of its fortifications in the early seventeenth century. Its strategic location, at the confluence of the Cheran and the Nephaz, allowed it to control an essential bridge on the road from Geneva to Chambéry. The site, surrounded by steep cliffs, was accessible only from the south, reinforcing its defensive role.

The origins of the castle date back to a probably Roman occupation, although archaeological traces are rare for the city itself. In the early Middle Ages, under Charlemagne, Rumilly became the capital of the Pagus Albanensis, one of the seven Pagus of the Sapauda. From the 10th century on, the castle and the village became a fief of the bishops of Geneva, serving as an outpost opposite the house of Savoie. The management was entrusted to a vidomne (then a chestnut from the 14th century), often from local families like Rumilly or Villette.

In 1401, the county of Geneva was bought by Amédée VIII de Savoie, but Rumilly remained under Geneva control until 1417, when Mathilde de Savoie gave up his rights. Duke Amédée VIII began work there to make it a residence and set up his court there in 1418-1419, fleeing an epidemic of plague. The castle then housed rooms dedicated to the Duke, his family, and a hall of honour, as evidenced by the accounts of chestnutry.

The 17th century marked the end of the castle: in 1630, during the invasion of Savoy by Louis XIII, Rumilly capitulated without combat. Despite the absence of damage, the fortifications were dismantled and the castle was razed, losing its strategic role. An engraving by Claude Chastillon (XVIe-XVIIe siècles) and archives describe an imposing ensemble with square dungeon, round towers, and seigneurial lodges, but no precise archaeological vestige remains.

The castle was the seat of a comtal chestnut, managed by officers such as the vidomnes (from the 12th century) or the Châtelans. The latter, appointed for a defined period, collected tax revenues and maintained the fortress. One example is the Portier family, which comes from the porters of the castle. After 1411, the châtellenie was integrated into the organisation of Savoie County, continuing until the destruction of the site.

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