The Park an der Ilm is a large Landschaftspark in Weimar, Thuringia. It was created in the 18th century, influenced by Johann Wolfgang von Goethe, and has not been changed much, preserving a park of the period. It forms part of the World Heritage Site "Classical Weimar along with other sites across Weimar bearing testimony to the city's historical importance as a cultural hub during the Weimar Classicism movement in the late 18th and 19th centuries".