The Tea Tree Gully Heritage Museum, formerly the Highercombe Hotel is a local history museum located in Tea Tree Gully, South Australia. It is one of the three museums operated by the History Trust of South Australia. It deals with the history of the Tea Tree Gully (Steventon) area of South Australia. It was formed as the Highercombe Hotel in 1854, then served as the Tea Tree Gully Post Office and Telegraph Station in May 1880 and was made into a museum in 1965 to save the building. The museum offers regular Heritage on Sunday events with varying themes throughout the year. Ghost tours occasionally operate at night. The museum is accredited in the Community Museums Program of the History Trust of SA.