The Festiniog Railway (Ffestiniog Railway) in North Wales, United Kingdom, is officially recognized as the oldest independent railway company in the world, having been founded by an Act of Parliament in 1832. It is the world’s oldest narrow-gauge railway, originally built with a gauge of 1 foot 11.5 inches (597 mm) to transport slate from the mountains of Blaenau Ffestiniog to the coastal port of Porthmadog. The railway is famous for its pioneering use of the Fairlie articulated steam locomotive, which allowed heavy trains to navigate the sharp curves and steep gradients of the Welsh landscape. Today, it operates as a premier heritage attraction, winding through the stunning scenery of the Snowdonia National Park. Its survival and restoration in the mid-20th century served as the blueprint for the global "heritage railway" movement, proving that historic infrastructure could be preserved through tourism and volunteer dedication.