Question: The Mills River flows into what other river, located in Transylvania County, North Carolina? 
Sentence (from "Mills River (North Carolina)"): The river flows out of the Pisgah Ranger District of the Pisgah National Forest in two forks: the North Fork, which drains the slopes just south of the Blue Ridge Parkway between Asheville and Mount Pisgah, and the South Fork, which drains the area of the Pisgah Ranger District just east of the Cradle of Forestry in America, including the slopes of Black Mountain.
Relevant evidence: No