Hanford Challenge is a registered 501(c)3 non-profit organization. EIN: 26-1382433

Hanford Challenge works within the unceded territories of many Northwest Native nations across what is now Washington and Oregon. Hanford Challenge’s main office in Seattle is on the traditional land of the Duwamish Tribe and other Coast Salish nations. With honor, we recognize the land itself and the Native Peoples past and present who call it home.