Cyfarthfa Castle is a historic structure located in Merthyr Tydfil, Wales. Built in the early 19th century, it was originally the home of the ironmaster William Crawshay II. The castle features a distinctive Gothic Revival architectural style and is surrounded by beautiful parkland. Today, Cyfarthfa Castle serves as a museum and art gallery, showcasing local history and art collections. The surrounding Cyfarthfa Park offers recreational opportunities, including walking trails and playgrounds, making it a popular destination for both locals and visitors.