1. Introduction The first excavation campaign on the Kephali hill, in 2007, was preceded by a ground penetrating radar (GPR) survey conducted under the direction of C. Hübner (GGH – Solutions in Geosciences Geophysikalische Prospektion, Freiburg) (Hübner 2007; Sissi I: 25-26). A georadar GSSI SIR 3000 with a 200 MHz antenna was used to prospect six topographic units covering a total surface of 5560 m2. Relatively noisy results were obtained, providing limited information on the layout of the ..