Kárahnjúkar dam is the tallest concrete-faced rockfill dam in Europe and among the largest of its kind in the world. Fljótsdalur Station is Iceland’s largest power station (690 MW). It produces a quarter of all electricity generated in the country, from a 420 meter vertical drop of water originating in the great Vatnajökull glacier.
Rangers from Vatnajökull National Park are located at the Kárahnjúkar dam this summer (2020) until 29th August on Thursdays and Saturdays between 13:00 and 17:00. They will guide you about the construction and the nature.