Wildcat Creek is a 16-mile-long creek in Lane County, Oregon, United States within the Siuslaw National Forest. The creek empties into the Siuslaw River at Austa on Oregon Route 126. In the 19th century, the stream was named Walton Creek after Joshua J. Walton, a lawyer, Lane County judge, and member of the University of Oregon's board of reg…Wildcat Creek is a 16-mile-long creek in Lane County, Oregon, United States within the Siuslaw National Forest. The creek empties into the Siuslaw River at Austa on Oregon Route 126. In the 19th century, the stream was named Walton Creek after Joshua J. Walton, a lawyer, Lane County judge, and member of the University of Oregon's board of regents. In the 20th century, the name was changed to Wildcat Creek.