Old Faithful to West Thumb
length = 16 miles

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The upper geyser basin contains two thirds of all the geysers in Yellowstone. It is highlighted by the most famous geyser in the world - Old Faithful.


Of all the geysers in the world 2/3rds are found in Yellowstone with 2/3rds of these found in the Upper Geyser Basin. This is an area that one needs time to experience all the wonders it has to offer. Take the time.

Past the Paint Pots is a side road that leads to one of the best geysers in Yellowstone - Great Fountain Geyser. It erupts to heights of 100 to 150 feet with rare bursts reaching heights of 200 feet.

Continuing east on the Grand Loop Road is Craig pass and Isa Lake. Elevation here is 8,261 feet. Isa Lake stradles the Continental Divide and it's water flows to both the Atlantic and Pacific Oceans.




Next road section West Thumb to South Entrance Return to Map Images on this site are copyrighted and may not be used or downloaded without the written permission of Russ Finley