Drive along the coastal road, passing the spectacular beaches of Glyfada, Vouliagmeni, and Varkiza to Cape Sounion, the southernmost point of Attica, where the white marble pillars of the Temple of Poseidon stand. Cape Sounion is a promontory located 69 kilometers south southeast of Athens. According to Greek mythology, Cape Sounion is the spot where Aegeus, King of Athens, leapt from the cliff to his death, thus giving his name to the Aegean Sea. During the 4-hour tour you’ll have splendid views of the Saronic Gulf and the small islands offshore. After visiting the Temple of Poseidon, take some time to walk along the rocky promontory of Sounion, before heading back to Athens.