Upper Geyser Basin

Blue Star Spring near Old Faithful Geyser

Dragon's Mouth Spring 443729N 1102603W / 44.62472N 110.43417W / 44.62472; -110.43417 (Mud Volcano)

Churning Caldron

Dead trees at Mammoth Hot Springs

Geyser cone under water at West Thumb Geyser Basin

Overflow areas of Silex springs

West Thumb Geyser Basin

Silex Spring at Fountain Paint Pot

Aerial view of the Midway Geyser Basin, showing the Grand Prismatic Spring, Excelsior Geyser, Turquoise Pool, and Opal Pool

Steamboat Geyser at Norris Geyser Basin

Upper Geyser Basin

Yellowstone National Park Wyoming

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Upper Geyser Basin, Yellowstone National Park Overview

Perhaps the most famous geyser basin in the Yellowstone, and the highest concentration of geothermal features in the park.

Of the Yellowstone's several geyser basins, the Upper Geyser Basin's collection of geysers is among the best. The famous Old Faithful geyser is located here, which erupts every 30 - 120 minutes, and is considered to be one of the most predictable geothermal features on the planet. It shoots scalding water up to 30 metres in the air. The basin also has 4 other large predictable geysers, namely the Grand Geyser, Castle Geyser, Daisy Geyser and Riverside Geyser. Along with the famous geysers, you will find several stunning hot springs like the Blue Star spring near the Old Faithful and also numerous other geothermal features. The Upper Geyser Basin is located south of Norris Geyser Basin, along the caldera.