Piccadilly is a small town in the Adelaide Hills of South Australia, Australia. At the, Piccadilly had a population of 509.The Piccadilly Valley was for many decades a market gardening centre which produced food for the Adelaide and overseas market. A large part of the valley is now used for growing premium 'cool climate' grape varieties.Piccadilly is home to the Woodhouse Scout Centre, which in addition to scout jamborees hosts school camps and various outdoor activities.TransportPiccadilly is serviced by two routes, and. Route 822 goes to the City via Carey Gully, and route 866 goes to Crafers at which point it connects to a bus to the City via the South Eastern Freeway.