Mill Ends Park

Mill Ends Park is a tiny urban park, consisting of one tree, located in the median strip of SW Naito Parkway, approaching esplanade along the Willamette River near SW Taylor Street in downtown Portland, Oregon, United States. The park was a small circle 2 ft across, with a total area of 452 sq in. It is the smallest park in the world, according to the Guinness Book of Records, which first granted it this recognition in 1971.