upper geyser basin old faithful area

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Thermal pools in Yellowstone National Park Royalty Free Stock Photo

Old Faithful and the Upper Geyser Basin Royalty Free Stock Photo

Spring in Yellowstone National Park: Steam Plume from Old Faithful Geyser as Its Eruption Winds Down in the Upper Geyser Basin Royalty Free Stock Photo

Crested pool in Yellowstone National Park Royalty Free Stock Photo

Old Faithful in the Upper Geyser Basin Royalty Free Stock Photo

Spring in Yellowstone: Old Faithful Geyser Starting to Spout in the Old Faithful Historic District in the Upper Geyser Basin Area Royalty Free Stock Photo

Spring in Yellowstone: Old Faithful Geyser Starts to Erupt in the Old Faithful Historic District in the Upper Geyser Basin Area Royalty Free Stock Photo

Chromatic Spring Royalty Free Stock Photo

The Upper Geyser Basin-Yellowstone`s largest geyser basin and in fact, the world`s largest single concentration of hot springs- occupies about one square mile. Located between the Old Faithful area and the Biscuit Basin road, the Upper Geyser Basin contains several groups of hot springs, including over 150 geysers.