West Yellowstone is a city located in Gallatin County, Montana, in the United States. It is the western entrance to Yellowstone National Park and is situated near the Madison River. The city is a popular tourist destination due to its proximity to the park and offers a range of recreational activities, including hiking, fishing, and wildlife watching. West Yellowstone also has a variety of hotels, restaurants, and shops to cater to visitors. The city has a population of around 1,300 residents, but the number increases significantly during the summer months.