Upper Geyser Basin

This is home to Old Faithful. It is not the tallest Geyser in the park and you cannot set your watch by it, but you can count on it erupting every 90 minutes (plus or minus 10). It spits smoke and water for an hour and a half then thrills crowds with a 160+ foot column of water and steam.

The famous Old Faithful Inn is beside this popular sight. It is also worth seeing.

Old Faithful is not the only show in town, though. There is a huge field of geysers and hot springs to be discovered.

Below are some of the hot springs you will see.

Below is Grand Geyser.

Below is Castle Geyser.

Below are some geyser cones.

Several hot springs and geysers are located on the Firehole River bank.

Bison sometimes walk right through the hot spring runoff. This is prohibited by humans, and also very dangerous. People have been seriously burned or killed after falling into this boiling water.

The following is not unique to Yellowstone -- just unique. We saw a glory (similar to a rainbow) in the sky over the Upper Geyser Basin on one trip.


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