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. Wallace River - The Wallace River is a medium sized river in Washington United States. It is a tributary of the Skykomish River and joins near Sultan just upstream from the mouth of the Sultan River. The Wallace River is 15 miles (24 km) long. Its drainage basin is 30 square miles (78 km2) in area.
The answer to this question is:
Natural Place