It begins as an ephemeral stream on the level surface of the Llano Estacado in Randall County, about  northeast of Canyon, Texas. The stream initially runs northeastward then southeastward across Randall County, flowing through Palo Duro Canyon, where it is fed by springs, providing a base flow that is often increased significantly by runoff from rainstorms. It provides the water for Lake Tanglewood and River Falls prior to flowing through the Palo Duro Canyon State Park.
This stream originates as a temporary waterway on the flat expanse of the Llano Estacado in Randall County, near Canyon, Texas. It flows northeast then southeast across Randall County, traversing Palo Duro Canyon where it is nourished by springs and its flow is often augmented by rainfall runoff. This water sustains Lake Tanglewood and River Falls before continuing through Palo Duro Canyon State Park.