Bilpin is a small town on the historic Bells Line of Road in the City of Hawkesbury local government area in the Blue Mountains, west of S…Bilpin is a small town on the historic Bells Line of Road in the City of Hawkesbury local government area in the Blue Mountains, west of Sydney, New South Wales. Bilpin is known as "Land of the Mountain Apple". Fruit orchards and gardens thrive in the fertile soil and the road is lined with roadside stalls selling home-made produce, especially during summer. Bilpin apples and Bilpin apple juice are well-known around Australia.