Gullfoss

Gullfoss (English: Golden Falls) is a waterfall located in the canyon on the river Hvítá in the southwestern part of Iceland. 

  Gullfoss is one of the most popular tourist attractions in the country. Make Hvítá goes south. Around mile above the waterfall turns sharply left and flows down into a wide curved three step "staircase" and then suddenly rushing in two stages (11 m and 21 m) in the slot.It is 32 m (105 ft) deep. Gap, about 20 m wide and 2.5 km long, is at right angles to the river. The average amount of water flowing over this waterfall is (140 m³ / s) in summer  and (80 m³ / s ) in winter time. The highest water flow was measured in 2006 (2000 m³ / s.)

(°source wikipedia)