Puzzle 33 · The Rocky Mountains · Page 53 in print

Yellowstone Geysers

Old Faithful’s average interval between eruptions is about 90 minutes, though it varies from 50 to 127 minutes.

Jump to a word
Young, red, green, and blackish-green thermophiles

Thermophiles colour the margins of Yellowstone's thermal features.

NPS · Public domain (U.S. federal government work) · Original record
Image changes

Resized and converted to JPEG for display; no subject alteration.

Steam rises into the blue sky from the forest where Steamboat Geyser is tucked away.

Steam rises from Steamboat Geyser after an eruption.

NPS/Dave Krueger · Public domain (U.S. federal government work) · Original record
Image changes

Resized and converted to JPEG for display; no subject alteration.

The words

  1. Beehive

    Beehive Geyser, the cone geyser named for its beehive-shaped cone.

    National Park Service (opens a new tab)

  2. Biscuit Basin

    Biscuit Basin, the hydrothermal basin containing Sapphire Pool.

    National Park Service (opens a new tab)

  3. Castle Geyser

    Castle Geyser, the geyser with a cone resembling a ruined castle.

    National Park Service (opens a new tab)

  4. Firehole River

    The Firehole River, the river beside Riverside Geyser.

    National Park Service (opens a new tab)

  5. Fumarole

    A fumarole, a hydrothermal vent releasing steam and other gases.

    National Park Service (opens a new tab)

  6. Grand Geyser

    Grand Geyser, the geyser that erupts in powerful bursts.

    National Park Service (opens a new tab)

  7. Great Fountain

    Great Fountain Geyser, a named hydrothermal feature in Yellowstone.

    National Park Service (opens a new tab)

  8. Morning Glory

    Morning Glory Pool, the hot spring named for its resemblance to the flower.

    National Park Service (opens a new tab)

  9. Norris

    Norris Geyser Basin, the hydrothermal basin containing Steamboat Geyser.

    National Park Service (opens a new tab)

  10. Old Faithful

    Old Faithful Geyser, the well-known erupting hydrothermal feature.

    National Park Service (opens a new tab)

  11. Paint Pots

    Paint pots, the colorful mudpots produced by mineral-tinted mud.

    National Park Service (opens a new tab)

  12. Porcelain

    Porcelain Basin, one of the two main areas of Norris Geyser Basin.

    National Park Service (opens a new tab)

  13. Steamboat

    Steamboat Geyser, the tall and unpredictable geyser in Norris Geyser Basin.

    National Park Service (opens a new tab)

  14. Thermophiles

    Thermophiles, the heat-loving organisms contributing colors to hot springs.

    National Park Service (opens a new tab)

  15. Travertine

    Travertine, the calcium-carbonate rock deposited by Mammoth Hot Springs.

    National Park Service (opens a new tab)

Sources

  1. Hydrothermal Features - Yellowstone National ParkNational Park Service
  2. Steamboat Geyser - Yellowstone National ParkNational Park Service
  3. Morning Glory PoolNational Park Service
  4. Norris Geyser Basin TrailsNational Park Service
  5. Mammoth Hot Springs and the North - Yellowstone National ParkNational Park Service

How we choose sources and photographs