Agnos is located just 2 km south ofOloron-Sainte-Marie and some 25 km southwest ofPau. It can be accessed on the D155 road fromBidos in the northeast coming southwest to the village then continuing southeast toGurmençon. The D555 road also passes through the commune from the north and joins the D155 northeast of the village.[5] The commune is mixed farmland and forests with the forests scattered throughout the commune.
The commune name inbéarnais isAnhos.Michel Grosclaude suggested thatAgnos came from a Latin man's nameAnnius with an Aqitaine suffix-ossum the whole meaning "domain of Annius".[8]
The following table details the origins of the commune name and other names in the commune.
Paul Raymond noted on page 3 of his 1863 dictionary that in 1385 Agnos had seventeenfires and depended on thebailiwick of Oloron.[7]
The commune was merged withGurmençon on 1 February 1973 to form the commune calledVal-du-Gave d'Aspe. It was restored to its previous status on 1 January 1983.
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TheChurch has aTrinitarian steeple (the presence of aBell-gable orcampenard). It contains many items which are registered as historical objects (although some were destroyed by fire in 1968):
TheForests of Bugangue[22] and Labaigt are inter-association woods managed by the National Office of Forests (ONF)[23] which provide valuable shelter for preserving local flora and fauna. Many species are protected. Anarboretum is a result of collaboration with the ONF.[24]
The Pyrenees are rich in scenery and the village of Agnos is the starting point of one of the most attractive routes for cycling across the foothills: From Agnos to Mail Arrouil and back (four hours of cycling or seven hours of walking) in a variety of environments, moors, rocks, meadows with views of the Pyrenees. This route, like many others, is managed by thelocal hiking plan of theCommunity of communes of Piémont Oloronais (CCPO).[25]
^"Répertoire national des élus: les maires".data.gouv.fr, Plateforme ouverte des données publiques françaises (in French). 2 December 2020.Archived from the original on 17 December 2020. Retrieved10 April 2021.