The commune can be accessed by the small D247 road from the village toTardets-Sorholus in the north-east. The D149 branches off this road in the commune and goes north toCamou-Cihigue. There is also the D117 road which goes west from the village toMendive.[4]
Located in thedrainage basin of theAdour, most of the southern border of the commune is formed by theAlphoura river (18 km long) which also flows through the village and continues northeast to join theSaison nearAlos-Sibas-Abense. The Alphoura is fed by many tributaries rising in the commune including theAzaléguy andArdounc. TheEscalérako erreka rises in the south and flows west with its many tributaries.[4]
Paul Raymond[5] mentioned theArangaïxa, a brook that rises at Alçay and flows into the Alphoura.
View of Alçay villageSaint Peter's Church and the cemetery at AlçayOldHilarri at AlçabéhétyThe Church at Sunharette
The commune name inBasque isAltzai-Altzabeheti-Zunharreta.[3][9]
According to Jean-Baptiste Orpustan, the base(h)altz meaning "aulne" was used for both the toponymsAlcay andAlçabéhéty.beheti means "at the bottom".[10]
The nameSunharette comes from theBasquezunhar (Name fromSoule meaning "elm" or "poplar") using the romanized locative suffixette meaning the "place of elm".[10]
The following table details the origins of the commune name and other names in the commune.
Azure, a wolf argent passant at dexter in front of a beehive of Or to sinister and accompanied by 6 bees at dexter chief, 3 bees at sinister chief, one bee at sinister, and 4 bees in base the same.[17]
The commune has two sites that are registered as historical monuments:
The SevenIbarnabaTumuli in the Esquirassy district[6]
The TenIbarlettaTumuli in the Esquirassy district[7]
Other sites of interest
TheGaztelu zahar (Basque meaning "fortified place") ofMaide korralea meaning "the enclosure of Maide" is attributed toMaidé, mythological beings incorporating some of the traits ofJentils andLaminak.
TheRomanesqueParish Church of Saint-Pierre (Middle Ages) is registered as an historical monument.[20] The church contains a Processional Cross (16th century) which is registered as an historical object.[21]
TheBelhygagne peaks (also called thepeak of Vultures) andGaztelia are the highest points in the commune at, respectively, 1,072 and 1,345 metres high.[8]