The Sabine River marks the borders of these two great territories. This river is a great placefor recreation. You can boat, fish, and, well, sightsee!
Sabine
The Rocky Mountains and the Missouri River
The Sabine River separates the lower half of Texas from Louisiana.
Rio Grande (Mexico), Red River (Arkansas, Oklahoma), Sabine River (Louisiana)
The Rio Grande is between Texas and Mexico; the Red River (Mississippi Watershed) is between Texas, Oklahama, and Arkansas; and the Sabine River is between Texas and Louisiana.
Louisiana,Arkasas,New Mexico,Oklahoma borders Texas.
Texas borders Louisiana on the west.
Texas borders the south of Louisiana.
Bordering Texas and Louisiana is the Sabine River, the Red River borders Texas and Oklahoma, and between Texas and New Mexico/Mexico is the Rio.
There is no one body of water which borders all of those states. The Missouri River travels through North Dakota and South Dakota, then borders Nebraska and Iowa and part of Kansas and Missouri before it travels through the state of Missouri and joins the Mississippi River. The Red River borders Texas and Oklahoma and then travels through Arkansas and Louisiana before it joins the Mississippi River. The Red River of the North borders North Dakota and Minnesota. The Mississippi River travels through Minnesota and borders Iowa, Missouri, Arkansas, and Louisiana.
Louisiana
Oklahoma and both a northern and western border with New Mexico.
Louisiana borders Arkansas on the southwest.