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Travel guide

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tonneri (sandstone-limestone formations) that extend into the granitic<br />

group of the Sette Fratelli (Seven Brothers), and eventually plunge into the<br />

sea with their blade-like edges. Around the Gulf of Orosei, limestonedolomite<br />

formations dominate in the Mount of Oliena (1463 m) and the<br />

Montalbo (1127 m), with steep ravines, bare and whitish, that confer to<br />

the countryside a moon-like aspect. Also, karstic action has carved a<br />

number of shafts, large grottos (e.g. that of Tiscali) and caves, even<br />

underwater ones, like the Bue Marino (Monk Seal) cave at Cala Gonone<br />

Rocky precipices<br />

in the Nuoro area<br />

(Dorgali). Between the mountain ranges and the plains of the Campidani<br />

lies a hilly region divided into Trexenta and Marmilla, featuring gently<br />

undulating landscapes that rise, with steep volcanic cliffs, into the typical<br />

giare, amongst which is the prototypical one of Gesturi (between 500 and<br />

600 m altitude). Other volcanic formations occupy most of the northwestern<br />

part of the Sardinian region. Thus, overlooking the plain of<br />

Oristano are Mount Arci (812 m) and Mount Ferru (1050 m), which,<br />

connected to the central massifs through minor mountains, can be easily<br />

crossed only at the saddle of Macomer (530 m), thus dividing<br />

geographically the Island into Capo di Sopra (or Sassari’s) and Capo di<br />

Sotto (or Cagliari’s), with important consequences even for human<br />

settlement. North of Macomer, the Logudoro region bears clear traces of<br />

its past volcanic activity, as in the eruption cones found especially between<br />

Romana and Cheremule. The volcanic landscape extends up to the<br />

Anglona region, making room, towards Sassari, for a vast plain nestled<br />

amidst round-shaped hills and reaching the sea with evocative<br />

promontories (e.g. Capo Caccia).Isolated from the other formations, the<br />

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