Strokkur is a fountain geyser in the Haukadalur geothermal area beside the Hv#237;t#225; River in the southwest of Iceland. It is one of Iceland's most famous geysers, erupting about every 4-8 minutes, 15-20 metres high and sometimes up to 40 m high.br/br/Strokkur and its surrounding areas regularly attracts tourists to view the geyser, as it is one of very few natural geysers to erupt frequently and reliably.