Aussurucq (French pronunciation: [osyʁyk]; Basque: Altzürükü) is a commune in the Pyrénées-Atlantiques department in the Nouvelle-Aquitaine region of south-western France.

Sources: Origins: In the Middle Palaeolithic era Soule was already populated as remains of Neanderthal prehistoric man have been found in the Xaxixiloaga caves in Aussurucq.

The central part of Soule is also called the Messagerie des Arbailles[12] between Basabürü and Pettarra (in the Sauguis-Saint-Étienne, Aussurucq, and Barcus regions).

[18] At the end of the 19th century, the Arbailles Forest covered parts of the communes of Aussurucq, Béhorléguy, Camou-Cihigue, Musculdy, Ordiarp, and Saint-Just-Ibarre.

Departmental cavers have undertaken the exploration, description, and publication of this heritage respecting the environment and the local population.

The peak of Ascune stands at 860 m, Echagorry is 935 m, Elsarré is 1,153 m, Sihigue is 1,193 m, and Etchecortia is 1,204 m.[6] In the south-west of the commune, Bohorcortia is 1,214 metres high.