Mammoth Campground is the only campground in the park open year-round, Mammoth Campground—elevation 6,200 feet (1890 m)—is located five miles south of Gardiner, Montana and the park's North Entrance. Situated in a high sagebrush steppe, scattered juniper and Douglas fir trees provide shade during hot summer months. The campground is close to fishing, hiking, and the Mammoth Hot Springs Terraces. Great wildlife viewing opportunities abound with elk and bison occasionally passing through the campground. Learn more about the Mammoth Hot Springs area of Yellowstone on the park's website: https://www.nps.gov/yell/planyourvisit/explore-mammoth.htm 

Campground Details