Water School

The Brazos River is the longest river contained entirely in Texas, with its watershed stretching from New Mexico to the Gulf of Mexico. The Brazos River draw lies approximately 50 miles west of the Texas-New Mexico border, beginning a watershed that stretches 1,050 miles and comprises 44,620 square miles, 42,000 of which are in Texas.The Brazos River proper is formed at the confluence of the upper forks of the river, the Salt and Double Mountain, in Stonewall County. The Clear Fork joins th...

The Brazos River draw lies approximately 50 miles west of the Texas-New Mexico border beginning a watershed that stretches 1,050 miles and comprises 44,620 square miles, 42,000 of which are in Texas.  For a full-sized map, click here.

Forming the Brazos’ main stem when it joins with the Salt Fork in Stonewall County, this stretch of river begins near the Llano Estacado in Lynn County. The Double Mountain Fork gets its name from a geological feature nearby in Stonewall County.The river here is typically shallow and meandering. The land it passes through is mainly farm and ranchland and has little development. The fork extends about 213 river miles from its headwaters to where it joins the main stem. This fork also passes...

The Salt Fork of the Brazos River is one of three forks that meet to make up the main stem of the Brazos. The main stem begins when the Salt Fork joins the Double Mountain Fork near Aspermont in Stonewall County. The Salt Fork travels about 186 river miles from its beginning in Crosby County in West Texas, passing through Garza and Kent counties, to where it reaches the main stem.This segment of the Brazos River, which is usually intermittent and shallow, crosses geological formations exceedingl...

The Clear Fork is one of the longest tributaries of the Brazos River. It originates as a draw in Scurry County and runs for about 307 river miles through  Fisher, Jones, Shackelford, Haskell, Stephens, and Throckmorton counties before joining the river’s main stem in Young County north of Possum Kingdom Lake.For a full-sized map, click here.

The Brazos River basin covers a swath across Texas more than 600 miles long, beginning near the Texas-New Mexico Border and ending at the Gulf of Mexico in Brazoria County.The basin includes all or part of 70 Texas counties within 42,000 square miles and includes numerous smaller tributary rivers including the Double Mountain, Salt and Clear Forks, the Paluxy, Bosque, Nolan, Little, and Navasota Rivers and dozens of smaller rivers and tributaries.For a full-sized map, click here.