Donjon de Houdan

The Donjon de Houdan (Houdan Keep) is a medieval fortified tower in the commune of Houdan in the Yvelines département of France.

Constructed around 1120-1137 by Amaury III of Montfort, the keep or donjon is the only vestige of the medieval castle of Houdan. It is a massive tower isolated from the town in the west, once used as a water tower.

The tower is cylindrical, 16 metres in diameter and 25 metres in height. It is flanked by four turrets 4.8 metres in diameter each at cardinal points on the central cylinder. The walls of the tower have an average thickness of three metres.

The tower consists of three levels: a ground floor, and two higher floors. The interior floors and roof have disappeared. An access door was located 6 metres above the ground level and once gave access to the mezzanine floor. Another entrance was located in one of the turrets.

The donjon is thought to have been one of the earliest experiments in improving flanking fire from the battlements (reduction of "dead ground"), and a transitional form between the rectangular keeps of the 11th to 12th centuries, and widespread adoption of cylindrical keeps in the 13th century. Other contemporary examples can be seen at Étampes and Provins.

1120–1137: construction of the keep 1880: installation of a 200 kilolitre cistern in the keep, transforming it into a water tower (French: château d'eau) 1889: classified as an official historical building (French: monument historique) 1903: acquisition of the keep by the town of Houdan, courtesy of the last private owner, a Dr. Aulet.

1970: replacement water cistern built nearby 2014: 1.3M Euro restoration program 2016: reopened to the public This tower has never been taken during its history.

Text adapted from “Donjon de Houdan” on Wikipedia, CC BY-SA 4.0.

Donjon de Houdan ranks #5,398 of 8,764 worldwide in the atlas's castle fame ranking, and #466 of the 675 mapped in France. Founded 1105, it is older than 86% of the atlas's dated landmarks — one of 593 atlas entries founded in the 12th century. 6 more atlas landmarks stand within 25 km. The nearest day-trip guide is Évreux, 42 km away. See how France compares in the castle statistics.

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Read the full history on Wikipedia ↗