The list of rivers of Texas is a list of all named waterways, including rivers and streams that partially pass through or are entirely located within the U.S. state of Texas. Across the state, there are 3,700 named streams and 15 major rivers accounting for over 191,000 mi (307,000 km) of waterways.[1] [2]All of the state's waterways drain towards the Mississippi River, the Texas Gulf Coast, or the Rio Grande, with mouths located in seven major estuaries.[1]