The Central Valley (Valle Central), Intermediate Depression, or Longitudinal Valley in Chile is the depression between the Chilean Coastal Range and the Andes Mountains. The Chilean Central Valley extends from the border with Peru to Puerto Montt (sic) in southern Chile, with a notable interruptio at Norte Chico (27°20’–33°00′ S). South of Puerto Montt the valley has a continuation as a series of marine basins up to the isthmus of Ofqui Some of Chile’s most populous cities lie within the valley including Santiago, TemucoRancagua, Talca and Chillán.