[2] On June 21, 1999, the cascade was dedicated as Ki-A-Kuts Falls in a ceremony featuring officials from the Confederated Tribes of the Grand Ronde.

[3] The Atfalati inhabited the Tualatin Valley prior to the arrival of Euro-American settlers and were devastated by diseases from the Columbian Exchange in the early 19th century.

[4] The survivors of the epidemics were forced off their ancestral lands and relocated to the Grand Ronde Indian Reservation in what is now Polk County along with several other bands of Native Americans.

[2] Ki-a-Kuts Falls stands 40 feet (12 m) tall and travels down a narrow rock chute in a single cascade over basalt cliffs.

[2] Views are further obscured by a bend in the river at that point, which helped keep the falls concealed behind cliffs and thus unnoticed by modern explorers and off of maps.