query: What is the tallest waterfall in Yellowstone National Park?
passage: List of waterfalls in Yellowstone National Park
Yellowstone National Park contains at least 45 named waterfalls and cascades, and hundreds more unnamed, even undiscovered waterfalls over 15 feet (4.6m) high. The highest plunge type waterfall in the park is the lower Falls of Yellowstone Falls at 308 feet (94m). The highest horsetail type is Silver Cord Cascade at 1,200 feet (370m).
passage: Geyser
Yellowstone is the largest geyser locale, containing thousands of hot springs, and approximately 300 to 500 geysers. It is home to half of the world's total number of geysers in its nine geyser basins. It is located mostly in Wyoming, USA, with small portions in Montana and Idaho.[15] Yellowstone includes the world's tallest active geyser (Steamboat Geyser in Norris Geyser Basin), as well as the renowned Old Faithful Geyser, Beehive Geyser, Giantess Geyser, Lion Geyser, Plume Geyser, Aurum Geyser, Castle Geyser, Sawmill Geyser, Grand Geyser, Oblong Geyser, Giant Geyser, Daisy Geyser, Grotto Geyser, the Fan & Mortar Geysers, & the Riverside Geyser, all in the Upper Geyser Basin which alone contains nearly 180 geysers.[14]