• A bull elk bugles in Yellowstone National Park

    Yellowstone

    National Park ID,MT,WY

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  • Craig Pass Closed for the Season; Mammoth to Norris, Expect 30-minute Delays

    The road linking West Thumb and Old Faithful is closed for the season—traffic should detour through West Thumb, Lake, and Canyon. More »

Crackling Lake

Tiny bubbles rise to the surface of the hot water in this hot spring pool.
 

The name of this thermal feature was proposed by Ed Leigh in 1967 because of popping sounds from nearby springs on its southern shore. It was formerly simply called Spring #39 in Dr. Peale's publication entitled Gibbon Geyser Basin.


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Did You Know?

Seventh Cavalry Ensignia Pin.

Prior to the establishment of the National Park Service, the U.S. Army protected Yellowstone between 1886 and 1918. Fort Yellowstone was established at Mammoth Hot Springs for that purpose.