A Welsh heritage railway is a preserved railway in Wales that operates vintage trains, often using steam locomotives. These railways aim to showcase the history of rail transport in the region, providing visitors with a glimpse into the past while promoting tourism and education. Many Welsh heritage railways, such as the Ffestiniog Railway and the Talyllyn Railway, offer scenic journeys through beautiful landscapes, including mountains and valleys. They often feature restored stations and carriages, allowing passengers to experience the charm of historic travel while learning about the significance of railways in Wales' industrial heritage.