Last year, almost 400,000 vehicles entered Yellowstone from the north. On busy days, traffic is sometimes backed up from the park entrance across the bridge, about a half-mile away.

The Yellowstone River is more than 600 miles long, traveling from south of Yellowstone to North Dakota's Missouri River. This makes it the longest undammed river in the continental U.S.

Hazards remain after Yellowstone explosion hurled rocks, debris The hydrothermal explosion happened in Yellowstone National Park's Biscuit Basin just before 10 a.m. local time on Tuesday, July 23.

Elev 6581 ft, 44.55 °N, 110.81 °W Yellowstone National Park, WY Weather Conditions star_ratehome ...