Mountain Pine is a city in Garland County, Arkansas, United States. It is part of the 'Hot Springs Metropolitan Statistical Area'. The population was 772 at the 2000 census Mountain Pine's population is believed to have grown back to about 900 in 2008. It is located near Lake Hamilton and Lake Ouachita. The city consists of five defined neighborhoods, Pinewood(Northside), South Mtn. Pine, A Business District(City Hall, Bank, Post Office, etc.), Cozy Acres (Southwest) and Mtn.