The Weatherboard Inn archaeological site is a heritage-listed former grazing ground, military post, staging inn and road building depot and now public park located at 1-15 Matcham Avenue, Wentworth Falls, City of Blue Mountains, New South Wales, Australia. It was built from 1814 to 1827. It is also known as Weatherboard Inn Archaeological Site. The property is owned by the Blue Mountains City Council. It was added to the New South Wales State Heritage Register on 2 April 1999.

Wentworth Falls is a town in the Blue Mountains region of New South Wales, situated approximately 100 kilometres (62 mi) west of the Sydney central business district, and about 8 kilometres (5.0 mi) east of Katoomba, Australia on the Great Western Highway, with a Wentworth Falls railway station on the Main Western line. The town is at an elevation of 867 metres (2,844 ft) AHD . At the 2016 census, Wentworth Falls had a population of 6,076.