Ninemile Creek, also known as Nine Mile Creek, is a stream in Central New York in the United States. Its source is at Otisco Lake in the town of Marcellus, from where the creek runs northward for 21.75 miles (35.00 km) through the villages of Marcellus and Camillus to Onondaga Lake in the town of Geddes. Nine Mile Creek is a scenic stream noted for trout fishing.