Hafragilsfoss () is a waterfall in Iceland. The waterfall flows downstream from Dettifoss within the depths of the Jökulságljúfur canyon. This waterfall is also on the glacial river Jökulsá á Fjöllum, making it a powerful waterfall. The falls are visible from both sides of the river. The waterfall has a single drop of 27 meters (89 feet) and has an average width of 91 meters (300 feet). References Waterfalls of Iceland