Dettifoss is in the Vatnajökul national park, North East of Iceland. Located in Jökulsá á Fjöllum river, which flows from the Vatnajökull glacier, the biggest glacier in Europe. It is 100 meters wide and drops 45 meters down to the Jökulsárgljúfur canyon. It has a water flow of 500 m3/s, in the summer time, one of the greatest volume of any waterfall in Europe. Dettifoss often makes the list of ´ The World’s 10 best waterfalls.´

As can been seen here: http://www.telegraph.co.uk/travel/galleries/The-worlds-10-best-waterfalls-and-how-to-see-them/dettifoss-iceland/

Getting there :

 GPS N65°48’43.8 W16°23’59.7

-Drive road 1 north

– Turn left to road 862, intersection road 1 and 862. GPS  N65°38’57.9  W16°22’44.2812″

– Right turn from road to car park, intersection road 1 and car park road

GPS 65.815111, -16.441967

– From the car park, walking distance to Dettifoss is about 700 meters by walking trail.