This massif comprises a low-altitude plateau (46 to 118 m) rising gently southeastwards before descending sharply to the banks of Etang de l’Olivier and Etang de Berre lakes.
Massif de Sulauze is located at the limit of the Bas Rhône and coastal Provence climate zones. Average temperatures there are warm (13 to 14 °C) and variations are tempered by maritime influences. Rainfall is low: around 600 mm per year. This massif is positioned along the Rhône valley and as such is exposed to strong and regular Mistral winds (over 100 days per year at over 60 km/hr) which blow upwards over the relief and valleys, hence creating various acceleration phenomena and turbulence at the edge of the plateau.
The northern area of the massif is populated by a mixture of evergreen oaks and Aleppo pines. The more uneven southern area is populated by dense, untended pine trees, interspersed with agricultural zones now occupied by housing developments. The rest of the massif comprises dense garrigue.
The Massif de Sulauze is characterised by a large and private area of farmland to the North and forest / urban interface zones to the South, coupled with a delicate topographical context (steep slopes with dips orientated windward). Public frequentation is low in the northern areas but high in the South, mainly due to the massif's proximity to the town of Istres.