Littlehampton is a village in the Adelaide Hills of South Australia, located on the Old Princes Highway. It is approximately 35 minutes from the …Littlehampton is a village in the Adelaide Hills of South Australia, located on the Old Princes Highway. It is approximately 35 minutes from the Adelaide CBD via the South Eastern Freeway. At the time of the 2016 Australian census, Littlehampton had a population of 3,522.