Coastal indigenous hardwood forests of hard to alluvial deposits. Extremely valuable natural sciences, economic (truffles), Cultural History (Forest today.), Tourist and recreational site. Motovun Forest, which extends along the valley of the Mirna River, the most famous is the habitat of truffles, underground fungi that are aphrodisiac, and also the largest and most esteemed of all truffles - white truffles. Istrian white truffle is due to specific climatic conditions, unique taste and exquisite aroma.