Oryx ( Ancient Greek: Όρυξ), also Halus or Halous (Ἁλοῦς) was town in ancient Arcadia, part of the district of Cleitor. [1] It was situated on the river Ladon, between Nassoi and Thaliades. [2] The location of the ancient city is believed to be in or near the present Ladon reservoir. [3]
37°45′30″N 22°00′49″E / 37.758337°N 22.013568°E