Hraunfossar
Hraunfossar ( Borgarfjörður , western Iceland ) is a series of waterfalls formed by rivulets streaming over a distance of about 900 metres out of the Hallmundarhraun , a lava field which flowed from an eruption of one of the volcanoes lying under the glacier Langjökull . 
<triplet> Hraunfossar <subj> Iceland <obj> country <triplet> Borgarfjörður <subj> Iceland <obj> country <triplet> Langjökull <subj> glacier <obj> instance of