The upper geyser basin consists of over 150 geysers spread over one square mile and the world's largest concentration of hot springs. The most iconic is the Old Faithful, which erupts on cue every 92 minutes and spews water an incredible 135 feet into the air.

The snowlodge

In our frontier cabin		When they're not hiking..	.. one can sit at the lodge and watch the eruptions over a cup of hot chocolate

Grand Geyser -- the world's tallest predictable geyser that spews water upto 200 feet. Apologies on the Tintin hairstyle		Grotto Geyser	Morning Glory pool -- with vibrant colors created by thermophilic bacteria

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