There is no camping available at Nez Perce National Historical Park and Big Hole National Battlefield. Federal, state and private campgrounds are available in the surrounding area.
Comprehensive information on camping opportunities on Federal lands in Idaho, Montana, Oregon, and Washington is available at Recreation.gov.
STATE PARKS
Information on state parks is available by clicking the link for the appropriate state:
Idaho State Parks
Montana State Parks
Oregon State Parks
Washington State Parks