Onondaga Park is an 82.6-acre (33.4 ha) park in the city of Syracuse, New York. Man-made Hiawatha Lake is located within the park, which is situated in Syracuse's Strathmore neighborhood on the city's south side. Portions of the park were designed by famed urban planner George Kessler in the early 20th century. The park was placed on the National Register of Historic Places in 2002.