Parco Naturale Regionale di Montemarcello-Magra-Vara

In the eastern Spezia promontory, the karstic phenomenon has shaped the landscape. There are dolomite massive limestone, "portoro" (black marble with yellow veins) and "twisted" Rhaetavicula limestone of the tuscan piedmont. In the area there are many karstic phenomena: dolinas from Cava dei M. Branzi, Rocchetta, M. Gruzza, Montemarcello, the double dolina between Campo di Già and Campo Nuovo; the uvala from Campo di Già; the field of Costa Pernisaro, the field in the South of Pian della Chiesa.