The Tung O Ancient Trail () on Lantau Island, Hong Kong, was once an important passage for villagers to commute between Tung Chung and Tai O. The coastal trail starts at modern Tung Chung in the east, passes mangroves and bays and ends in the traditional Tai O fishing village. About 10 km in length, it is one of the most popular walking trails in Northwest Lantau.
Places and features along the trail include (front east to west)