Please answer the following question: Rajčanka or Rajčianka (Hungarian: Rajcsánka) is a 475 km long river in northern Slovakia springing in Strážovské vrchy near Čičmany and pouring into Váh in Žilina.It forms the border of Lúčanská Malá Fatra Mountains and of Strážovské vrchy. 32 km of its length are navigable.Cities along its course are: Rajec Rajecké Teplice Žilina. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
Answer:
Natural Place