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Tag: morning glory pool
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Mallard Creek, Mallard Lake, and the Upper Geyser Basin (Old Faithful)
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The Upper Geyser Basin in Yellowstone National Park contains the most famous hydrothermal feature in the park, Old Faithful. Surrounding this iconic geyser are a vast array of spring, pools, and geysers. I hiked up from Mallard Creek to nearby Mallard Lake, then dropped down to the basin and explored around, including a visit to…