By Plane: from the airport you can take a taxi to destination or a shuttle to Marseille Saint Charles railway station. There you can take a taxi, or the subway to "Vieux Port" station. Then, with the same fare ticket (valid 1 hour) you can take either Bus 61 (get off at "Bompard Fédéli" stop, take rue Perrinet-Pey some metres down on the left and at the end of this street turn on the right in Chemin du Vallon de l'Oriol) or Bus 83 (get off at "Vallon de l'Oriol" stop, cross the road and take Chemin du Vallon de l'Oriol near Brasserie Seraphine until Agip Gas station and walk 50 metres along the little path opposit to it.).
By train same process from the railways station!!!
By car reach the Corniche Kennedy (coast road between "Vieux Port" and "David"). Coming from "Vieux Port" take left into "chemin du Vallon de l'Oriol" (bar "Serafine" at the croassroads) until Agip gas station. Park your car around there and walk 50 metres along the little path opposit the gas station.