St. Pietersberg is a limestone hill located near the city of Maastricht in the Netherlands. It rises about 100 meters above sea level and is known for its extensive network of caves, which were formed by centuries of limestone mining. The area is rich in history and offers stunning views of the surrounding landscape. The caves of St. Pietersberg are popular for both tourism and research. They contain unique geological formations and are home to various species of bats. The site is also significant for its archaeological findings, showcasing artifacts from different historical periods, including the Roman era.