Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Teklanika River -  The Teklanika River is a 91-mile (146 km) tributary of the Nenana River in the U.S. state of Alaska. The Nenana is a tributary of the Tanana River which is part of the Yukon River drainage in the central interior region of the state. Flowing northward from headwaters at the Cantwell Glacier in the Alaska Range the Teklanika drains an area widely visited by tourists to Denali National Park and Preserve.
Natural Place