Jackson Hole, the 50-mile valley in northwest Wyoming wedged between the Teton and Gros Ventre ranges, is one of the American West's most popular year-round playgrounds — and it has a handful of local customs that catch first-timers off guard. Get these down before you go and your trip will go a lot smoother.

First, the naming. Jackson is the town; Jackson Hole is the whole valley. The "hole" comes from 19th-century trappers' lingo for deep mountain valleys. And while the park is Grand Teton National Park, the range itself is just the Teton Range — never the "Grand Tetons." Gros Ventre, the name of the neighbouring range, wilderness area and a prime moose-spotting road, is pronounced "groh vont."

Book everything early. Despite the wilderness feel, this is a heavily visited, expensive corner of the country. Summer pulls hikers and campers, winter brings skiers, and in-demand restaurants — think Snake River Grill — fill up well ahead. Note that many kitchens close around 9 p.m., so plan dinners early. Locals suggest skipping the pricier, mediocre spots like The Blue Lion and Million Dollar Cowboy Steakhouse for dinner, though the Cowboy Bar itself is worth a visit for a whiskey and live music.

Wildlife etiquette is non-negotiable. Elk, moose, bison and bears wander into town neighbourhoods as well as the park, and the National Park Service advises staying 25 to 50 yards from most animals and 100 yards from predators. Fall rutting season makes bulls especially territorial. Use binoculars or a zoom lens — this is not a zoo.

The town of Jackson has fewer than 11,000 residents and a genuinely friendly, small-town vibe in America's least populated state. Say hello on the trail, chat with your barista, and keep your cool in traffic, which clogs up during ski mornings and park exodus hours. Drive carefully: more than 300 moose and other animals are killed on local highways each year.

You don't need a rental car, and skipping one can save real money. The START Bus is free within town and between the Village Road Transit Center and Teton Village, and $3–$10 elsewhere in the valley. More than 56 miles of paved Pathways trails link Jackson, Wilson, Teton Village and even Jenny Lake in Grand Teton National Park — arguably the most beautiful spot in Wyoming. In winter, 12 miles of groomed singletrack in Cache Creek serve Nordic skiers, fat bikers and snowshoers.

Budget tip: flying into Salt Lake City instead of Jackson Hole Airport can save roughly $150–$300 on airfare, and SLC car rentals average about half the price. That adds a scenic five-hour drive each way through the Wasatch and Snake River ranges — not a bad trade.

Finally, respect the altitude. Jackson sits above 6,200 feet, so expect to tire faster, feel that second drink, and burn quickly under thin mountain sun. Hydrate, wear sunscreen regardless of weather, and take it easy on day one.