Namsan Fortress is a historic site located on Namsan Mountain in Seoul, South Korea. Originally built in the late 14th century during the Joseon Dynasty, it served as a military stronghold to protect the city. The fortress features stone walls and several gates, offering visitors a glimpse into Korea's rich history. Today, Namsan Fortress is part of Namsan Park and is popular for hiking and sightseeing. The area provides panoramic views of Seoul and is home to various cultural landmarks, including the iconic N Seoul Tower. The fortress remains a significant symbol of the city's heritage.