Ligurian Alps the Piedmontese side, and by several smaller rivers that flow directly to the Mediterranean Sea on the Ligurian and French side. The chief peak of the Western Ligurian Alps is Punta Marguareis (2,651 m), and there are several other summits over 2000 m, while in Eastern Ligurian Alps (also called "Ligurian Prealps") the maximum elevation is 1739 m (Monte Armetta). Some important passes in the Ligurian Alps are listed below. Around of the Ligurian side of the range since 2007 are part of the Parco naturale regionale delle Alpi Liguri. Ligurian Alps The Ligurian Alps are a mountain range in
Ligurian Sea part. The sea receives the Arno River from the east and many other rivers that originate in the Apennines. The ports of Genoa, La Spezia, and Livorno are on its rocky coast. It reaches a maximum depth of more than northwest of Corsica. The International Hydrographic Organization defines the limits of the Ligurian Sea as follows: "On the Southwest." A line joining Cape Corse (Cape Grosso, 9°23′E) the Northern point of Corsica to the frontier between France and Italy (7°31′E). "On the Southeast." A line joining Cape Corse with Tinetto Island () and thence through Tino and Palmaria Islands to