The Upper Oak Creek Descent Ruts of the Woodbury Cutoff, Ox Bow Trail of the California Road are remnants of the Ox Bow Trail located in southeastern Butler County, Nebraska, United States. They are one of the few trail remnants left of the Ox Bow Trail, which originated at Nebraska City, Nebraska and connected to the Oregon Trail and the Mormon Trail.[3] In 1992, they were listed in the National Register of Historic Places.[2]