Église Saint-Jean-Baptiste d'Onesse-et-Laharie, Gothic parish church in Onesse-Laharie, France

Église Saint-Jean-Baptiste stands at the end of a small laid-out spur in the centre of Onesse-et-Laharie. Its oldest part dates from the Romanesque period; the nave was entirely rebuilt in the 15th century, when a southern side aisle was added to enlarge the building. A second, northern side aisle was built in the 19th century as the population grew.

The oldest part of the church dates from the Roman era. During the Hundred Years' War it was fortified with an upper room, whose remains can be seen in the arrow slits pierced under the roof of the chevet. In the 15th century the nave was entirely rebuilt and enlarged with a southern side aisle; a second, northern aisle was added in the 19th century as the population grew.

The church is dedicated to Saint John the Baptist, whose feast is celebrated on 24 June. It stands at the end of a small built-up spur in the centre of Onesse-et-Laharie, in the Landes department, and is listed in the general inventory of cultural heritage. Look for the loopholes pierced beneath the roof of the chevet, the visible remains of its medieval fortification.

The church stands at the centre of Onesse-et-Laharie, at the tip of a small laid-out spur. The oldest part dates from the Romanesque period, and the building was fortified during the Hundred Years' War with an upper room whose remains can be seen in the arrow slits pierced under the roof of the chevet.

The bell tower holds historic bells cast by Guillaume père et fils and Escoubet Jean-Bertrand. These bells represent a craft tradition that shaped the sound character of the place over time.