The Reserve also contains remnants of the original 1880s Adelaide to Melbourne railway line, including an original single-track tunnel and concrete viaduct buttresses. The Reserve contains the first National Trust of South Australia plaque to be erected, which was unveiled in 1959.
The Reserve includes parts of the old 1880s Adelaide to Melbourne railway track, such as a remaining single-track tunnel and concrete viaduct supports. It also has the inaugural National Trust of South Australia marker, which was presented in 1959.