Linden is a village in the Blue Mountains of New South Wales, Australia. It is in the City of Blue Mountains, 82 km west of Sydney and 23 km east of Katoomba. The village is on the Great Western Highway and has a railway station on the Main Western railway line served by NSW TrainLink's Blue Mountains Line. It shares a post office, and therefore the 2778 postc…Linden is a village in the Blue Mountains of New South Wales, Australia. It is in the City of Blue Mountains, 82 km west of Sydney and 23 km east of Katoomba. The village is on the Great Western Highway and has a railway station on the Main Western railway line served by NSW TrainLink's Blue Mountains Line. It shares a post office, and therefore the 2778 postcode, with adjoining Woodford. In the 2011 census, its population was 594, including 19 indigenous people.