Tag Archives: giant geyser

Giant Geyser is the central geyser of the Giant Group, which includes Mastiff Geyser and Bijou Geyser. In a “normal function eruption,” only Giant erupts, which means it will usually be shorter in terms of time and plume size, attaining 150 feet. Meanwhile, during a “Mastiff function eruption,” where Mastiff erupts alongside Giant (and sometimes Bijou), making Giant rocket upwards …

So far the 2018 summer season has been a great time if you’re a Yellowstone geyser fanatic: Steamboat Geyser has been providing thrills in a more active stage, but there is plenty of other thermal activity to note this year.

As the only predictable geyser in the Lower Geyser Basin, Great Fountain Geyser has a history of prominence in Yellowstone National Park.

Grotto Geyser is, hands-down, one of the most unusual thermal features in Yellowstone National Park.