All waterfalls · Iceland Waterfalls in Iceland 17 waterfalls in Iceland, ranked by size. Data from Wikidata and Wikipedia. Morsárfoss 227 m Háifoss 122 m Hengifoss 118 m Dynjandi 100 m Seljalandsfoss 65 m Dettifoss 44 m Aldeyjarfoss Fagrifoss Faxi Goðafoss Hraunfossar Litlanesfoss Merkjárfoss Urriðafoss Ófærufoss Öxarárfoss Þjófafoss