Sunday, October 17, 2010
Yellowstone National Park
We entered the park at Gardiner though the Roosevelt Arch and headed to the Information Center at Mammoth Hot Springs. Arriving at the Ranger station we were told that there were only 2 campgrounds in the park that were still open and one of them would close tomorrow. Securing reservations for the first night at West Thumb and the second night at Madison Junction, we started to explore the Park.
The park is literally situated on top of an active volcano and every year there are numerous people badly injured by wandering off the boardwalks on what appears to be solid ground, only to find they are on a thin crust that breaks and they are left standing knee deep in mud with a temperature of 200 degrees plus.
The Yellowstone River tumbles 308 feet, striking the canyon floor with such force that it sends foam and mist hundreds of feet upward.
Approaching too close to the Elk,Bison and Bears to have pictures taken can only end poorly and every year people are injured and killed through no fault of the animals, but by their own stupidity.
The elevation in Yellowstone is between 5282 in the north to 11358 feet at the Eagle Peak summit with temperatures currently falling to the mid thirties overnight.
Even at this time of year there were hundreds of tourists from all over the world to see the famous Geyser.
Excelsior, once a large geyser, is now a productive thermal spring, presently discharging 4050 gallons per minute. Numerous vents boil and churn the water within the crater, covering it in a dense layer of steam.
Grand Prismatic is the largest hot spring in Yellowstone, and is considered to be the third largest in the world.
Grand Prismatic sits upon a wide, spreading mound where water flows evenly on all sides forming a series of small, stair-step terraces.
The colors begin with a deep blue center followed by pale blue. Green algae forms beyond the shallow edge. Outside the scalloped rim a band of yellow fades into orange. Red then marks the outer border. Steam often shrouds the spring which reflects the brilliant colors. Grand Prismatic discharges an estimated 560 gallons per minute.
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