The fine polygonal wall was built after the fire of 548 B.C. in order to retain the terrace on which the temple stood.  The columns belong to the stoa of Athenians after 478 B.C. to shelter spoils of war dedicated to the god after victories at sea.

The wall is very strong and has withstood many earth quakes which most of the site were damaged by.

The wall is covered with ancient Greek inscriptions.

Selina and Rosemary walking up the Sacred Way to the Sanctuary.