Barbagia and Supramonte are the perfect places for trekking, free climbing, horse riding or cycling. The best time of the year to fully enjoy the nature and the environment is between April and June and then again from September until November as it might be too hot in summer and too cold during the winter to fully appreciate walking itineraries.HOTEL Centre Sardinia But if you happen to be in this area during the months of January and February, the Carnival celebrations is not to be missed but unlike the multicolored atmosphere you would expect from such occasion, the Carnevale Barbaricino fully recalls the agro-pastoral heritage with scaring parades featuring ancestral fights between man and nature. The Gulf of Orosei on the east, offers gorgeous spots for sea lovers. Cala Gonone is the main location and during summer times boats sail out daily to the enchanting coves with overhanging cliffs of Cala Luna, Cala Sisine or to the caves of Bue Marino. The west central coast, near Oristano, has a lower profile, with long white sandy beaches stretching along for kilometres. Here you can find the protected marine area of Sinis, the 5 kilometres sandy shore of Is Arenas, with coastal dunes among which is a 18-hole golf course offering stunning views over the gulf, the beach of Is Arutas, famous for its white quartz sand., or the natural bridge of S'Archittu (the small arch), a white rock promontory shaped by the sea and wind actions into a natural arch.