Flowing through Yellowstone for Ailsa’s Travel Theme.

Ailsa’s new travel theme is “Flow”, and I decided to revisit our road trip to Yellowstone National Park, where in May 2010, I witnessed some amazing examples of flow. There were beautiful flowing rivers surrounded by mountains covered in fir trees,

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and picturesque cascading waterfalls.

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Here is one of the amazing sulphur mounds which have been formed over time by the eruption and flow of hot spring water.

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Liberty Cap is a hot spring cone, 37 feet high, which marks the northern portion of Mammoth Hot Springs. It was so  named, because of its uncanny resemblance to the peaked caps worn during the French Revolution. Its unusual formation was created by a hot spring whose massive internal pressure caused it to flow continuously for hundreds of years, allowing mineral deposits to build up to this great height.

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Icicles had formed from the run-off around the rims of this steaming hot geyser, whilst just a few feet below, the water was 200F.

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On a warmer day, ‘Turquoise Pool’ in the Midway Geyser Basin, may look quite inviting for a swim, but as it has a temperature of between 142 and 160 °F ,  it’s not advisable.

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When we eventually reached Old Faithful, America’s most famous geyser we went to the viewing point to await the promised spectacular flow of steam, which  can shoot from 3,700 to 8,400 US gallons of boiling water into the air. It erupts roughly every 90 minutes, and the steam rises from 106-185 feet, and can last anything from 1-5 minutes.

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We really experienced many amazing examples of ‘flow’ on our trip. If you would like to see what other bloggers have posted for this theme, just click here to go to Ailsa’s post.