Yellowstone National Park sits at the junction of Wyoming, Montana, and Idaho — a 3,500 square mile volcanic plateau that holds more than half the world's geysers, 10,000 hydrothermal features, and the largest concentration of wildlife in the continental United States. Where you stay relative to the park dramatically affects what you can do and when. Hotels inside the park sell out 6–12 months in advance for summer dates. Hotels in the gateway towns — Gardiner, West Yellowstone, and Cody — are more available but require driving into the park from outside.
Lodges inside the park: book a year ahead
Yellowstone has nine lodges operated by Yellowstone Forever and Xanterra Parks & Resorts, ranging from the grand Old Faithful Inn (built 1904, the largest log structure in the world) to cabin complexes at Canyon Village, Lake Village, and Mammoth Hot Springs. These lodges are the only accommodation inside the park boundary — staying in them means you can walk to Old Faithful at dawn, be at the Grand Prismatic Spring at first light, and watch the Hayden Valley bison herd from your vehicle before the day-trip crowds arrive.
The trade-off is availability: Old Faithful Inn rooms for July and August open for booking in May of the prior year and sell out within hours. Canyon Lodge and Grant Village have more capacity. If you are planning a July Yellowstone trip, search availability now and book immediately if anything shows. Cancellations do release, but availability is genuinely scarce at peak season.
West Yellowstone, Montana: the western gateway
West Yellowstone is a small town (population 1,300) immediately west of Yellowstone's west entrance. It has the densest concentration of gateway hotels — Holiday Inn West Yellowstone, Yellowstone Hotel, Explorer Cabins — and is the closest external town to the geyser basins that most visitors want to see (Madison Junction, Old Faithful). Drive time from West Yellowstone to Old Faithful is approximately 30 miles (1 hour inside the park at the 45mph speed limit). The town is basic in character but functional.
Gardiner, Montana: the north entrance
Gardiner (population 900) sits at the north entrance of Yellowstone, which is the only park entrance open year-round. It is the gateway to Mammoth Hot Springs and the Lamar Valley (the best wildlife-watching area in the park, particularly for wolves and bears). Hotels in Gardiner are smaller and more characterful than West Yellowstone — Absaroka Lodge (rooms with views over the Yellowstone River), Yellowstone Gateway Inn. The town has a handful of good restaurants and a more genuine frontier-town feel than the more tourist-oriented West Yellowstone.
Cody, Wyoming: the eastern approach
Cody is 52 miles east of Yellowstone's east entrance and the gateway to the Wapiti Valley — the 50-mile stretch of road along the North Fork Shoshone River that Buffalo Bill described as the most scenic 50 miles in America. Cody has better hotels than the northern gateway towns — the Irma Hotel (built by Buffalo Bill Cody in 1902), The Cody (a boutique design hotel), and several mid-range chains. The Buffalo Bill Center of the West (five museums in one building) is in Cody. The trade-off is distance: the drive from Cody to Old Faithful is 3 hours each way, which limits what is practical in a day.
Planning your Yellowstone visit
Peak season is July and August — 4 million annual visitors concentrate here, with the interior roads reaching gridlock at popular features (Grand Prismatic Spring's boardwalk at 10am is genuinely crowded). The shoulder seasons of May and September offer dramatically shorter queues, lower temperatures (May brings snow risk; September brings elk rut and superb autumn colour), and better wildlife sightings because predators are more active. For full seasonal guidance, accommodation briefings, and what to check before you book any Yellowstone area hotel, the Yellowstone best time to visit guide covers the park in detail.