Call ahead This experience may be open for on-site visitation; however, offerings and/or operating procedures may have changed due to COVID-19. Please verify details before you go and visit the COVID-19 Resources page for more information.
The Hells Canyon Dam is located on Mile 247.0 of Snake River on the Idaho-Oregon border. It opened in 1967 as the third and final hydroelectric dam of the Hells Canyon Project.
The Hells Canyon Dam is a major site off the Hells Canyon Scenic Byway.