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Yellowstone Will Leave Bison Carcass to Decay in Grand Prismatic Spring

Rangers will monitor scavengers at the site, reinforcing safety warnings after last week’s bison fall into the 192°F pool.

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A bison walked through the Prismatic Hot Spring at Yellowstone National Park and fell in, the National Park Service said. "An unfortunate example of what can happen by wandering off boardwalk in thermal areas," the National Park Service said.
Yellowstone National Park Bison
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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.