The Martinsturm is a historic tower located in the city of Freiburg im Breisgau, Germany. It was built in the 13th century and is part of the Freiburg Minster complex. The tower stands at approximately 65 meters tall and features a distinctive green roof, making it a prominent landmark in the city. Originally serving as a watchtower, the Martinsturm has also been used for various purposes over the centuries, including as a bell tower. Visitors can climb to the top for panoramic views of Freiburg and the surrounding Black Forest region, making it a popular attraction for tourists.