What to Pack for Your Yellowstone Day Tour. The most common questions we receive from guests joining our tours are surrounding how to dress and what to bring. Mountain weather can be unpredictable, the landscape is remote, and a Yellowstone tour is a full-day excursion. Here are some tips to help you dial in your Yellowstone National Park packing list, so you know what to wear and what to bring on your Yellowstone tour! Grand Prismatic Spring Steaming Yellowstone National Par
