little geyser (litli geysir) boiling and steaming hot spring in haukadular valley geothermal area in iceland, no people

active area blue boil bubble erupt europe geology geothermal geyser geysir golden circle haukadalur haukadular hissing hot spring water iceland icelandic information island landmark landscape litli little natural nature people outdoor park pool river rock simmering small smoke spray steam stone stream tourism travel valley vapor vent view volcanic