Simiane-Collongue is a picturesque village located halfway between Aix en Provence and Marseille et . The commune sits in the bottom of a small valley at the foot of the Pilon du Roi hill(710 m), on the green northern slopes of the Chaîne de l'Etoile.

The Castrum rock with its look out tower dominates over the ancient streets of the village. The "Tour Sarrasine or Tour de l'Horloge" (dates back to the XIII° century). The narrow streets lead up to the Parish Church Saint-Pierre.

On Saturday mornings, on the "cours des Héros" a colourful market takes place around the ancient mossy drinking fountain.

For those who enjoy archeology don't miss the archaeological museum in the basement of the Town hall which displays remains which have been found in the village, including some items which date back to prehistoric times.