Lough Eske Castle is a historic castle located near Donegal Town in County Donegal, Ireland. Originally built in the 15th century, it has undergone significant renovations and is now a luxury hotel. The castle is set against the backdrop of Lough Eske, a picturesque lake surrounded by lush forests and mountains. The castle features elegant accommodations, a spa, and fine dining options, making it a popular destination for tourists. Its rich history includes connections to the O'Donnell clan, who were prominent in the region. Today, Lough Eske Castle combines historical charm with modern amenities.