United States Geological Survey scientists have shared maps that show where ash would fall across the US if a Yellowstone ...

The new map shows where volcanic ash would fall in the event of a Yellowstone supereruption, with the supervolcano's last ...

Brush up on your knowledge of Yellowstone's geography with this interactive version of National Geographic's Trails Illustrated map Yellowstone National Park MapPlanning a Yellowstone trip?

An example of the possible distribution of ash from a month-long Yellowstone supereruption. The distribution map was generated by a new model developed by the US Geological Survey using wind ...

Yellowstone National Park's nearly 3,500 square miles seep slightly across state borders into Montana and Idaho, but its major attractions are contained in the northwest corner of Wyoming.

so you'll want to use an official Yellowstone map (available online or at the park's five visitor centers) or specific GPS coordinates that the NPS provides to Yellowstone visitors.