Accous (French pronunciation: [akus]; Occitan: Acós) is a commune in the Pyrénées-Atlantiques department in the Nouvelle-Aquitaine region in southwestern France.

From the Spanish border on its southern edge, it stretches along Le Labadie river to the point where it joins the Gave d'Aspe.

From this river junction, the Gave d'Aspe forms the western border of the rest of the commune which extends a further 10 kilometres to the east with the Lac du Montagnon at the northeastern edge.

Brigitte Jobbé-Duval[23] hypothesises that Accous originated from Acca or Acco, a woman's name mentioned in the inscriptions of Spain.

Basque Aphatea) came from the Lay Abbey of Jouers through corruption of the word Abbadie (Abadie in standard Gascon).

[10] Izaure was a farm mentioned by Paul Raymond with the spellings:[26] Jouers /juèrs/ was formerly Joertz (1345,[11] Homages of Béarn[27]), probably a metathesis of a Basque word Oïhartz a derivative of Oihan meaning 'forest'.

[29] Paul Raymond noted that the commune had a Lay Abbey, a vassal of the Viscounts of Béarn.

The cheese-making farms are also one of the resources of the commune, which is part of the Appellation d'origine contrôlée (AOC) zone designation of Ossau-Iraty cheese.

The median net disposible income per household was €19,610 in 2017, which is lower than the figure for the Pyrénées-Atlantiques department (€21,250).

The manufacturing techniques of making mountain cheese and local culinary traditions are highlighted in the displays.

Bathing there permits the casting away of evil spells and to cure fevers, sciatica and epilepsy.