Argagnon is located some 7 km south-east of Orthez and 2 km north-west of Maslacq. Access to the commune is by the D817 road from Orthez which passes through the village and continues south-east to Artix. The D275 from Maslacq to Arthez-de-Béarn passes through the eastern part of the commune. The Toulouse-Bayonne railway passes through the south of the commune parallel to the D817 but there is no station in the commune. The nearest stations are at Orthez to the north-west and Lacq to the south-east. The commune consists mostly of farmland however there are forests in the east and north of the commune.[3]
The commune lies in the Drainage basin of the Adour and the Gave de Pau flows through the south-western edge of the commune with the Ruisseau de Clamonde flowing into it from the commune.[3]Paul Raymond mentioned in 1863[4] that the Juren, a stream with its source in Arthez-de-Béarn, crossed Aragnon and flowed into the Gave de Pau
Its name in Béarnais is Arganhon. Brigitte Jobbé-Duval[6] indicated that the name Argagnon originated from the first owner, Arcanius, and was expanded with the suffix -onem giving the meaning "Domain of Arcanius".
The following table details the origins of the commune name and other names in the commune.
According to Hubert Dutech,[19] the inhabitants of Marcerin were called perautucs, meaning "fools". He also cited the saying A Marcerin, n'i a glèisa ni mouli, mes que i a ua houratèra, oun lou diable apèra, which means "In Marcerin there is neither church nor mill, but there is a small cave where the devil calls".
Civil heritage
Several Prehistoric camps have been found in the commune, reflecting its ancient past. The most important of them is the Turoû de Dous Garos[19] at 90 metres altitude. Ditches surround it and there are three earthen ramparts. Remains from the Iron Age have been discovered. The park of the current chateau is located in the former castéra.
Religious heritage
The Church of Saint-Pierre (11th century) is registered as an historical monument.[20] It was built in 1866 on remains from the 11th century.
Facilities
Argagnon has a primary school.
Notable people linked to the commune
Raymond Larrabure, born in 1797 in Saint-Jean-Pied-de-Port and died in 1875 in Argagnon, was a French politician.
Henry de Pène, born in 1830 in Paris and died in 1888 in the same city, was a French writer and journalist. Henry de Pène was also called Henry de Pène of Argagnon - after the castle owned by his father at Argagnon.
Robert Sarrabère, born in 1926 in Argagnon was a French Catholic bishop of Aire and Dax until his retirement in 2002. From 9 January to 2 September 2007, he served the diocese of Montauban as Apostolic Administrator during the period of transition from one bishop to another.
