How long is the river which University Oval, Adelaide is located on?
University Oval, Adelaide: University Oval, referred to by the University of Adelaide, Adelaide University Sports Association and various other groups, is a part of Park 12 in the Adelaide Parklands located across the River Torrens opposite the University of Adelaide. River Torrens:  It flows 85 km from its source in the Adelaide Hills near Mount Pleasant, across the Adelaide Plains, past the city centre and empties into Gulf St Vincent between Henley Beach South and West Beach.
85 km