Ruaha National Park

 Ruaha is Tanzania's second biggest National Park.
  Created in 1964 and cavering 10,300 sq.km, it lies
  in the centre of the country, just west of Iringa highlands.
  It takes its name from the Great Ruaha River, which 
  flows through the Park, creating spectacular gorges.
  The river is the home of hippos, crocodiles, water 
  buffalo, red buffalo, water buck and reed buck.