What state is old faithful in?

Old Faithful is a cone geyser located in Yellowstone National Park in Wyoming, United States. It was named in 1870 during the Washburn-Langford-Doane Expedition and was the first geyser in the park to receive a name. read more

Old Faithful: Old Faithful, geyser, northwestern Wyoming, U.S., located at the head of the Upper Geyser Basin in Yellowstone National Park. Old Faithful is the most famous, though not the highest, of all North American geysers. read more

The Old Faithful Inn is a hotel located in Yellowstone National Park, Wyoming, United States, with a view of the Old Faithful Geyser. The Inn has a multi-story log lobby, flanked by long frame wings containing guest rooms. read more