Queeny Park is a park located in unincorporated St. Louis County, Missouri. It is one of the largest parks in the St. Louis County Parks system. The 564-acre park includes forest, prairie, and riparian environments. A creek in the Meramec River watershed runs north to south through the park, feeding a fishing pond at the park's southern …Queeny Park is a park located in unincorporated St. Louis County, Missouri. It is one of the largest parks in the St. Louis County Parks system. The 564-acre park includes forest, prairie, and riparian environments. A creek in the Meramec River watershed runs north to south through the park, feeding a fishing pond at the park's southern end.