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Morning Glory Pool, Yellowstone National Park
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Morning Glory Pool, Yellowstone National Park

Morning Glory Pool tips and photos posted by real travelers and Yellowstone National Park locals.
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Morning Glory Pool: Morning Glory Pool
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    • JanPeter74
  • By JanPeter74 on September 9, 2004
  • Yellowstone National Park Page by JanPeter74
    • Morning Glory Pool - Yellowstone National Park
    Morning Glory Pool
    by JanPeter74
    Apart from the geysers, the Old Faithful area is also famous for another thing: Morning Glory Pool.

    Morning Glory Pool is one of the most spectacular pools in the park. It used to be deep blue with a yellow fringe. However, due to pollution of the pool in the first half of the previous century, the colour changed to greenish and the yellow fringes moved more to the centre of the pool.

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    Morning Glory Pool: Fading Flower
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    • kazander
  • Updated By kazander on May 2, 2007
  • Yellowstone National Park Page by kazander
    • Morning Glory Pool - Yellowstone National Park
    Morning Glory Pool
    by kazander
    Oh the story of Morning Glory pool is a sad one. At the end of the upper geyser basin trail, about a mile from Old Faithful, sits this once glorious little pool, that has wilted and turned brown. Once upon a time, Morning Glory lived up to it's name and was a beautiful blue in color. Now, since so many hooligans and litterbugs have thrown refuse into the depths of the pool clogging it up, the water has cooled and many of the little blue thermophiles that used to live here have died off. They have been replaced with yellow and brown thermophiles who like cooler temperatures (still to hot for people so don't get any hot potting ideas!) So the result is a wilted flower. It is still a beautiful pool. Please visitors, don't throw things in any of the features, it really damages them.

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    Morning Glory Pool: The Most Famous Hot Spring
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    • annk
  • Updated By annk on March 30, 2005
  • Yellowstone National Park Page by annk
    • morning glory pool - Yellowstone National Park
    morning glory pool
    by annk
    Morning Glory Pool is located in the Old Faithful area and can be reached by boardwalk. It's very large, beautiful, and a definite must see. At one time the pool was completely blue, but due to partial clogging of the vent, the temperatures have cooled and algae has grown producing the yellowish color. Unfortunately visitors have thrown refuse into the many geothermal features which changes their colors and eventually destroys them. Park rangers patrol these areas but it's impossible to catch all the perpetrators

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  • Phone: 307-344-7381
  • Directions: Upper Geyser Basin, Old Faithful area. Can be reached by boardwalks or bike paths. At the end of the paths, 1.4 miles from Visitors Center
  • Website: www.nps.gov/yell
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    Morning Glory Pool: Morning Glory Pool
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    • dinhyen
  • By dinhyen on September 18, 2002
  • Yellowstone National Park Page by dinhyen
    • Morning Glory Pool - Yellowstone National Park
    by dinhyen
    This beautiful thermal pool once had a pure blue color. Now it looks pale blue-green. The reason was increased bacterial and algal activities thanks to a drop in pool temperature. This was in turn a result of blockage in the pool circulation caused by, amazingly, debris and trash thrown down by visitors! Despite warnings, the NPS has to dredge the pool yearly to clear it of debris.

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    Morning Glory Pool: Morning Glory Pool
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    • GuthrieColin
  • Updated By GuthrieColin on October 22, 2005
  • Yellowstone National Park Page by GuthrieColin
    • Morning Glory Pool - Yellowstone National Park
    Morning Glory Pool
    by GuthrieColin
    The Morning Glory Pool is only 1.4 miles from the Old Faithful Visitors Center by way of a partial boardwalk partial paved path. Along the way you will pass many of Yellowstone?s notable geysers like Grotto Geyser and Castle Geyser.
    Morning Glory Pool is a hot spring and was named in the 1880's for its sapphire color which was similar to the color of the morning glory flower. Since the time the pool was named, the pool has been polluted by visitors who littered rocks, coins, and other objects into the pool. Some seemed to think it was a natural version of a wishing well. Each of these objects have took part in blocking the path of the vent which gives the pool its heat.
    The lack of direct heat from the vent dropped its temperature from nearly 200 degrees Fahrenheit (100 Celsius) at the surface to a colder 140-120 degrees (65-50 Celsius). This drop changed kinds of bacteria living near the surface from Archaea which grows only in water 170 degrees Fahrenheit (75 Celsius) or more to others. The colder bacteria comes in many different colors like:
    Cyanobacteria (163 F or 73 C) yellow
    Fungi and Algae (140 F or 60 C) yellow/green
    Protozoa (133 F 66 C) Orange
    Mosses (122 F or 50 C) Brown

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  • Directions: From the Old Faithful Visitors Center take the 1.4 mile one way walk along either a paved bike path or by boardwalks walking by other geysers.
  • Website: http://www.nps.gov/yell/tours/oldfaithful/mrngglry.htm
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    Morning Glory Pool: Morning Glory Pool
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    • Jim_Eliason
  • Updated By Jim_Eliason on August 28, 2005
  • Yellowstone National Park Page by Jim_Eliason
    • Morning Glory Pool - Yellowstone National Park
    Morning Glory Pool
    by Jim_Eliason
    This hot springs is unique for its colors and crystal clear waters.

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  • Website: http://www.nps.gov/yell/planvisit/orientation/ofdetail.htm
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    Morning Glory Pool: Moring Glory pool
  • By poilichu on July 27, 2004
  • Yellowstone National Park Page by poilichu
    • You have to see this beautiful pool. It is a little far from old faithful but it is worthwhile.

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    Morning Glory Pool: Morning Glory Pool
    worldtrekker
  • Updated By worldtrekker on February 20, 2003
  • Yellowstone National Park Page by worldtrekker
    • Morning Glory Pool - Yellowstone National Park
    Morning Glory Pool
    by worldtrekker

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    Morning Glory Pool: Morning Glory Pool at Old Faithful
    projectmatt
  • By projectmatt on August 10, 2004
  • Yellowstone National Park Page by projectmatt
    • Morning Glory Pool - Yellowstone National Park
    by projectmatt

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    Morning Glory Pool: Any time of day for the Morning Glory Pool
    Toughluck
  • Updated By Toughluck on March 23, 2007
  • Yellowstone National Park Page by Toughluck
    • Morning Glory Pool - Yellowstone National Park
    Morning Glory Pool
    by Toughluck

  • Address: West Thumb Geyser Basin
  • Phone: (307) 344-7381
  • Directions: Southeast on the Loop Road, just north of Grant Village, on the Lake.
  • Website: http://www.nps.gov/yell/planyourvisit/ngrant.htm
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