Inuyama Castle is a historic Japanese castle located in Inuyama, Aichi Prefecture. Built in 1537, it is one of Japan's oldest surviving castles and is designated as a National Treasure. The castle features a unique wooden structure and offers stunning views of the surrounding area, including the Kiso River. The castle's main keep, or tenshu, is a three-story building that showcases traditional Japanese architecture. Visitors can explore the castle grounds and learn about its history, including its role during the Sengoku period. Inuyama Castle is a popular tourist destination, attracting many history enthusiasts each year.