The Castle Shannon South Incline, also known as Castle Shannon Incline Number 2 was a funicular railroad in Pittsburgh, Pennsylvania. It was originally designed by Samuel Diescher,[1] and opened August 20, 1890[2] as part of the Pittsburgh and Castle Shannon Railroad as a means of transporting passenger traffic over Mt. Washington, rather than using the Pittsburgh and Castle Shannon Tunnel through Mt. Washington, which used a former coal mine.
The mine continued to be used as a tunnel to transport coal to a separate incline that unloaded at a station on Carson Street. It was originally steam powered. The incline was closed about 1919.