Giorno 6 — Cody → Yellowstone National Park
You travel along the Buffalo Bill Cody Scenic Byway, which follows the Shoshone River through the forest and the highest mountains in Wyoming, with very diverse landscapes: expanses of wild sagebrush, fir forests, glaciers, with a wildlife including elk, deer, mountain goats, grizzly bears, and brown bears. Established in 1872 as the world's first national park, Yellowstone spreads across a volcanic plateau between Wyoming, Montana and Idaho, holding one of the most extraordinary concentrations of geothermal phenomena on the planet. Here the famous Old Faithful geyser erupts at regular intervals, while the Grand Prismatic Spring dazzles with its rings of shifting colours and the limestone terraces of Mammoth Hot Springs form surreal landscapes. The Grand Canyon of the Yellowstone, carved by the river of the same name, plunges into spectacular waterfalls between golden walls. A UNESCO World Heritage Site, the park is also a wildlife sanctuary where bison, elk, grizzly bears and wolf packs can be spotted, especially in the Lamar Valley. Among forests, alpine lakes and meadows, Yellowstone offers hikes, wildlife safaris and the thrill of a primordial, powerful nature, a symbol of the American wilderness.