Ablass am oberen Anger: Augsburg's Historic Water Management System

Ablass am oberen Anger stands as a testament to Augsburg's pioneering role in water management, a system so innovative and crucial to the city's development that it earned UNESCO World Heritage status in 2019. Situated within the Siebentischwald, this site represents a critical junction in Augsburg's intricate network of canals and waterways. It showcases the historical methods used to harness and distribute water, which was essential for the city's industries and daily life. The Ablass am oberen Anger features structures designed to separate spring water from the water of the Lech River. These separation techniques, implemented centuries ago, highlight Augsburg's early advancements in water technology. The system ensured a supply of clean drinking water while also providing water for the city's various industrial needs. The careful management of these water resources allowed Augsburg to flourish as a center of trade and innovation. Historically, the Brunnenbach stream supplied the waterworks at the Red Gate with pure drinking water until 1840. This water originated from numerous springs in the Stadtwald. Most of the other former drinking water canals now carry Lech River water. Relics of the structures that separated spring and Lech water can still be found at the Galgenablass and the Ablass am oberen Anger. These structures, known as siphons or “Düker,” allowed water to flow under other waterways without mixing, showcasing a sophisticated understanding of hydraulic engineering. The network of canals and streams in the Augsburg Stadtwald forms a complex system that has undergone continuous transformation over the centuries. This system includes several water crossings, some of which have disappeared while others have been newly added. The Galgenablass, one of the oldest and still existing water crossings, is over 500 years old. At the Ablass am oberen Anger, most of the Reichskanal water veers to the right and, along with the Stempflebach, is directed to the zoo, flowing through various animal enclosures before feeding into the Spitalbach. The Siebentischanlagen, a landscape park crossed by streams, is part of the Augsburg Stadtwald. Created in the late 19th century, the park serves as a recreational area. The Ablass am oberen Anger and the area around the Stempflesee are part of the Siebentischwald, not the Siebentischanlagen. The park's design reflects a conscious effort to balance industrial progress with the preservation of green spaces, providing a haven for both residents and visitors. Exploring the Ablass am oberen Anger offers a unique opportunity to connect with Augsburg's past. The site is not just a collection of old structures; it is a living testament to the ingenuity and foresight of the city's planners and engineers. Walking through the area, one can appreciate the intricate details of the water management system and understand its profound impact on Augsburg's development. Today, the Ablass am oberen Anger remains an important part of Augsburg's identity. It serves as a reminder of the city's historical significance and its ongoing commitment to sustainable water management practices. Visitors can gain a deeper understanding of Augsburg's rich heritage and its enduring legacy as a city shaped by water.