SGT Reasons to Stay. Roots to Return. The Territory Discover the magic hidden in the silence of Sardinia at its most authentic. Not to Miss In the GAL SGT area, every village is a tiny treasure chest full of traditions. SGT Sole Grano Terra Sarrabus Gerrei Trexentae Campidano di Cagliari The Trails Trexenta to Explore From golden landscapes to archaeological gems in the “granary of Rome.” Sarrabus and Gerrei by Bike Responsible cycle tourism with a minimalist approach. Sentiero Italia in GAL SGT area The local stages of the world’s longest trekking route. Astronomical Gerrei A walking adventure with your eyes on the stars. Rete PAT Landscapes of Water and EarthTrails that unite nature, history and community in Gerrei Primitive Trails of Sarrabus Mountainous area north of the former SS 125 Orientale Sarda road.