UPDATE: As of June 14, 2022, all entrances to Yellowstone National Park are CLOSED temporarily due to heavy flooding, rockslides, and extremely hazardous conditions. The North Entrance to the park (where EPI typically operates) is not expected to reopen for the summer season. EPI is not cancelling 2022 courses at this time, and we're actively working with partners to identify new program options for Yellowstone courses. We do not anticipate cancelling 2023 programs. If you're scheduled to travel with a school group in 2022, our team is in communication with the group organizers from the school. 


Wildlife Ecology


  • Survey wildlife—from bison to wolves

  • Raft the rapids of the Yellowstone River

  • Explore Yellowstone's one-of-a-kind ecosystem


An abundance of wildlife. Hot pools, boiling mud, and countless other thermal features. America's first National Park is brimming over with natural wonders, and you'll get up close with many of them on this field research course.


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Your Fieldwork

Work with bison: America's mammal

In Yellowstone, bison move through the landscape with the change of the seasons. Work with park researchers to collect vegetation samples at specified sample sites and gather information about bison presence. Data will help the park understand how bison interact with their environment.

YellowstoneA Teacher Who Travels
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Partner Profile

Yellowstone's bison biology team is the preeminent group of scientists studying bison in the world. They're responsible for studying and managing the largest remnant of the great herds that once roamed the American West. Through its partnership with EPI, the bison team has been able to expand its research and data collection efforts, but perhaps more importantly, the partnership has fostered a deeper appreciation and stewardship of wildlife in our students.