Those of Upper Thuria are on the hill of the village called Paleókastro, divided from the range of mountains named Makryplái by a deep ravine and torrent, and which commands a fine view of the plain and gulf.
Nearly in the centre of the ruins is a quadrangular cistern, 10 or 12 feet (3 or 4 m) deep, cut out of the rock at one end, and on the other side constructed of masonry.
On the highest part of the ridge there are numerous ruins, among which are those of a small Doric temple, of a hard brown calcareous stone, in which are cockle and muscle shells, extremely perfect.
In the plain at Paleá Lutra are the ruins of a large Roman building, standing in the middle of fig and mulberry grounds.
William Martin Leake, who visited in the 19th century, observes that "it is in an uncommon state of preservation, part even of the roof still remaining.