The New South Wales Rail Transport Museum (NSWRTM), located in Thirlmere, New South Wales, is a museum dedicated to displaying locomotives, passenger cars, and freight rolling stock formerly operated by the New South Wales Government Railways (NSWGR) and various private operators. The collection features steam, diesel and electric locomotives and other rolling stock. A large proportion of the collection is owned by RailCorp. The Blue Mountains division of the museum is located at the Valley Heights Locomotive Depot Heritage Museum.