|Summary:||Wall with towers; surrounding the Sanctuary of Apollo Thermios.|
|Date:||ca. 250 BC|
ca. 210 m x 390 m.
Nearly rectangular peribolos wall with square towers built at regular intervals, and round towers guarding the southwest entry. Another entry on the northern wall.
The entire wall is not preserved. Although remains at the sanctuary date to earlier periods, the protective walls are from the 3rd century B.C.