Overview
- On June 21 a bison stumbled through a thin crust at Grand Prismatic Spring and was scalded to death in water reaching about 192°F.
- Yellowstone officials will leave the bison carcass in place to decompose naturally under ongoing park management.
- Rangers will closely monitor scavengers that may be drawn to the spring to prevent risks to visitors.
- Scientists are using the incident to highlight lethal geothermal hazards and promote strict boardwalk compliance.
- Visitors are being urged to stay on marked trails to avoid hidden high-temperature features that appear deceptively solid.