Possum Kingdom Lake (popularly known as P.K.), is a reservoir on the Brazos River located primarily in Palo Pinto County Texas.
It was the first water supply reservoir constructed in the Brazos River basin.
The lake has an area of approximately 17,000 acres (6,900 ha) with 310 miles (500 km) of shoreline.
It holds 750,000 acre-feet (930,000,000 m3) of water with 550,000 acre-feet (680,000,000 m3) available for water supply.
