<P> The Apennines or Apennine Mountains ( / ˈæpənaɪn / ; Greek : Ἀπέννινα ὄρη ; Latin : Appenninus or Apenninus Mons -- a singular used in the plural ; Italian : Appennini ( appenˈniːni ) ) are a mountain range consisting of parallel smaller chains extending c. 1,200 km ( 750 mi ) along the length of peninsular Italy . In the northwest they join with the Ligurian Alps at Altare . In the southwest they end at Reggio di Calabria , the coastal city at the tip of the peninsula . Since the year 2000 the Environment Ministry of Italy , following the recommendations of the Apennines Park of Europe Project , has been defining the Apennines System to include the mountains of north Sicily , for a total distance of 1,500 kilometres ( 930 mi ) . The system forms an arc enclosing the east side of the Ligurian and Tyrrhenian Seas . </P>
where is apennines mountains located on a map
along the length of peninsular Italy