After a long winter, Yellowstone Lake takes its time to thaw out. It freezes over completely every winter and thaws by early June. At 7,733 feet above sea level, Yellowstone Lake is the largest high elevation lake (above 7,000 feet) in North America. It is roughly 20 miles long and 14 miles wide, with 141 miles of shoreline and a surface area of 132 square miles. | Yellowstone Forever

News Release: The winter season begins in Yellowstone National Park Wednesday, Dec. 15, and most park roads will open to oversnow vehicles. Due to limited snow, travel will be restricted to snowcoaches until conditions improve. Annually from mid-December until mid-March, visitors travel most of the park’s roads by commercially guided snowmobiles and snowcoaches, and via the non-commercially guided snowmobile program. Learn more about visiting the park in winter, as well as our top 10 tips for pl

Livestream with Dr. Mike Poland, USGS Yellowstone Volcano Observatory