Arudy is located in theOssau Valley on a bend on theGave d'Ossau some 20 km south-east ofOloron-Sainte-Marie and 16 km south ofGan. Access to the commune is by the D920 road fromBuzy in the north passing through the commune just west of the town and continuing toLouvie-Juzon in the south. Access to the town is by the D53 connecting to the D920. The D287 also goes east from the town to join the D934 going north toSévignacq-Meyracq. The D918 branches west from the D920 near the town and continues west through the north of the commune toLurbe-Saint-Christau.[4]
TheSNCF railway line from Buzy-en-Béarn - Laruns which passed through the commune was closed to traffic for passengers on 2 March 1969.[5] A bus connection remained in place until 1 September 2009. Freight traffic between Buzy-en-Béarn and Arudy survived until 2003. The facilities have now been dismantled.
The western hills of the commune are heavily forested with farmland in the valleys. The east of the commune in the Ossau Valley is mainly residential with some farmland.
Located in theDrainage basin of theAdour, theGave d'Ossau forms the eastern border as it curves around the town and continues west, forming the northern border of the commune, to join theGave d'Aspe to form theGave d'Oloron atOloron-Sainte-Marie. Many tributaries rise in the south of the commune and flow north to join the Gave d'Ossau including theLamisou, theArrec de Baycabe, theRuisseau du Bois de Nougué, theArrec de Lacerbelle, and theRuisseau du Termy which forms the western border of the commune.[4]
Castet had aLay Abbey, vassal of theViscounts of Béarn. In 1385 it depended on thebailiwick of Ossau and had 45fires. Castet took its name from the Chateau of Castetgelos which was built in its territory.
The first traces of civilisation in the commune date toPrehistory or more precisely to theMagdalenian period. Excavations in four caves in the commune (Maladore, Poeymaü, Saint-Michel, and Espalungue) uncovered bones, tools, and manysnail shells.
The village of Eruri or Aruri was mentioned at the beginning of the 13th century. It was from the beginning of that time that the Ossau Union was created which permitted relative independence for the communes in the valley until theFrench Revolution.
It was in the 19th century that economic growth started in the commune.Sawmills andMarblequarries were created which provided a living to several hundred people. One quarry still operates today.
On 29 February 1980 Arudy was the epicentre of an earthquake measuring 5.2 on theRichter scale and 7.5 on the MSK scale which damaged many buildings in the town.[citation needed] The college had to be rebuilt.[citation needed]
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the commune has a large sheep breeding centre and strong activity related to hunting. Arudy forms part of theAppellation d'origine contrôlée (AOC) zone designation ofOssau-iraty;
the commune conserves and operates marble (gray-black) and limestone quarry sites. The Church of St. Severus inAssat, for example, was built in 1873 with Arudy limestone;
There are wood and marble working industries;
the Messier industrial foundry, a subsidiary of Ventana Aerospace Group, employs approximately 200 people. The foundry produces alloys ofmagnesium-thorium intended for the aviation industry. The machining of these materials has resulted in the production of waste containing thorium. 13.3 tonnes of the residue of thorium-magnesium alloys (Grime from the foundry, shavings from machining, miscellaneous scrap, etc.) are stored in a special location with a radioactivity of 1.9 GBq fromthorium-232.[21] The company faces economic difficulties and has been placed in aJudicial Recovery procedure by the Commercial Court on the 1 April 2010. The Commercial Court of Pau approved exit from the Judicial recovery safeguard procedure proposed by management and the court administrators of the Messier foundry in July 2011. Messier Foundry is a prime contractor in theCARAIBE collaborative project approved by the Aerospace ValleyPôle de compétitivité group and funded by theFonds unique interministériel (Single inter-ministerial funds) programme.
TheHôtel Pouts (17th century) is registered as an historical monument.[22] It is an ancientLay Abbey which later became a police station. The building was renovated in 1971 to house a museum: theMaison d'Ossau.
TheMaison d'Ossau museum in the Hôtel Pouts displays regional archaeological collections, specimens of flora and fauna of the Pyrenees, and local costumes.
Arudy has 16th and 17th century houses, a bridge said to beRoman, andLavoirs (public laundries) from the 19th century.
TheAbétat peaks at 1204 metres, theGerbadure at 1254m, theSoum Counée at 1361m, theBersaut at 1368m, theHourquettes de Baygrand at 1386m, theSenzouens (or theBreque) at 1392m, and thePic d'Escurets at 1440m.[28]