High Quality Content by WIKIPEDIA articles! Yellow House Draw is an ephemeral watercourse about 130 km (81 mi) long, heading about 21 km (13 mi) north of Morton, Texas, and tending generally east-southeastward across the Llano Estacado to the city of Lubbock where it joins Blackwater Draw to form Yellow House Canyon at the head of the North Fork Double Mountain Fork Brazos River. It stretches across Bailey, Cochran, Hockley, and Lubbock counties of West Texas and drains an area of 9,790 km2 (3,780 sq mi).