highest geyser in yellowstone
Steamboat Geyser. Steamboat Geyser, in Yellowstone National Park's Norris Geyser Basin, is the world's tallest currently-active geyser. During major eruptions, water may be thrown more than 300 feet (91.44 m) into the air. Steamboat's major eruptions last from 3 to 40 minutes, and are followed by powerful jets of steam.