Lough Key Castle is a historic structure located in County Roscommon, Ireland. It was built in the 19th century and is situated near the scenic Lough Key, which is known for its beautiful landscapes and recreational activities. The castle features a mix of architectural styles and is surrounded by lush gardens and woodlands. Today, Lough Key Castle is part of the Lough Key Forest Park, which offers various outdoor activities such as walking trails, cycling, and boating. The park attracts visitors who come to enjoy the natural beauty and explore the rich history of the area, making it a popular destination for tourists.