Geysir, sometimes known as The Great Geysir or Strokkur Geyser, is a geyser in southwestern Iceland. It was the first geyser described in a printed source and the first known to modern Europeans. The English word geyser (a spouting hot spring) derives from Geysir. The name Geysir itself is derived from the Icelandic verbgeysa, "to gush", the verb from Old Norse. Geysir lies in...