Hulah Lake is a man-made reservoir that was created by the United States Army Corps of Engineers damming the Caney River in northeastern Osage County, Oklahoma, within the Osage Indian Reservation.

Hulah is an Osage word meaning "eagle”, and was the name of the farming community that was located in the valley before the construction of the dam.

[1] According to the U. S. Army Corps of Engineers, the Hulah Lake project includes a public hunting area, bringing the total project area to 21,510 acres (8,700 ha).

The dam is gravity type with an earthen core on a rock foundation.

The lake has a storage capacity of 289,000 acre-feet (356,000,000 m3), a normal surface area of 3,570 acres (1,440 ha) and a shoreline of 62 miles (100 km).