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Heritage classified

Key figures

Origin and history

The gate tower of Mont-d'Astarac, built in the 14th century, is the only preserved vestige of the village enclosure erected around the castelnau in the late 13th or early 14th century. Located on the border of the departmental road, facing the church, it consists of a vaulted porch in the middle of the corner and two floors pierced with murderers and mouths. Its structure as a medium molass apparatus, covered with a roof in a broken pavilion, bears witness to medieval constructive techniques, while subsequent reshuffles (XVth–XVIth centuries) modified its entrance arch and added advanced defensive elements, now partially disappeared.

The monument has undergone several major transformations over the centuries. At the end of the Middle Ages, probably between the end of the 15th and the beginning of the 16th century, the arch of the door was taken over, an advanced work (of which only departures remain) was built, and defensive openings such as the mouths were added. A bay with a braid, characteristic of the flamboyant Gothic style, was also pierced on the second floor. The drawbridge, attested by modern sources, was destroyed in 1787, while the roof was resumed in the late nineteenth century. Finally, a triangular pediment bearing a clock and the date "208" was added later, marking a final phase of modifications.

The gate tower illustrates the evolution of village fortifications, moving from a purely defensive function to a more symbolic role, as evidenced by the addition of the clock and aesthetic adjustments. The remains of masonry massifs on both sides of the gate suggest the existence of a missing bridge, probably a structure spanning a protective ditch. Access to the first floor, served by a broken arched door preceded by a wooden gallery, and the presence of murderers underscore its initial military use. Ranked a Historic Monument in 1978 for its facades and roofs, the tower now belongs to the municipality of Mont-d-Astarac.

The redesign campaigns reflect the successive adaptations to local needs, from medieval conflicts to modern times. The re-use of the molasses, local stone, and the two-row genoise adorning the foreground and the pediment reveal an artisanal know-how anchored in the territory. Although the accuracy of its location is considered mediocre (level 5/10), its current state makes it possible to understand Gothic fortification techniques and their evolution, while offering a material testimony of the history of the castelnau and its community.

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