1. Old Faithful Geyser is a must-see attraction in Yellowstone National Park. It is one of the world’s most famous and predictable geysers, erupting approximately every 90 minutes with a column of hot water and steam that can reach up to 185 feet in the air. The geyser is located in the Upper Geyser Basin and is surrounded by several other geysers and hot springs. The area around Old Faithful is also home to a variety of wildlife, including bison and elk.

2. Old Faithful Geyser is open year-round, with varying hours depending on the season. During the summer months, it is open from 8:30 am to 7:30 pm. In the winter, it is open from 9:00 am to 5:00 pm. The phone number for Old Faithful Visitor Education Center is (307) 344-2751.

3. Entrance to Yellowstone National Park is required to see Old Faithful Geyser and other attractions within the park. The entrance fee is $35 for a private, non-commercial vehicle. Transportation to the geyser is available through the park’s shuttle service, which is free to use once you have paid the entrance fee. There are also several companies that offer tours of the park, including Old Faithful Snowmobile Tours and Yellowstone National Park Lodges.