The Sulphur River is a 175-mile-long (282 km) river in northeast Texas and southwest Arkansas in the United States . It is a tributary of the Red River .
6-409: The Sulphur River begins at the confluence of its north and south forks forming (following earlier meanders) the northern and southern boundaries of, and meeting at the eastern end of, Delta County (Texas) . This is about 4.7 miles (7.6 km) northeast of the town of Sulphur Bluff , 95 miles (153 km) northeast of Dallas , and 16 miles (26 km) downstream (air miles) along the south fork from
12-603: The Cooper Lake dam. The river flows generally eastward through several Texas counties. Tributaries include Shawnee Creek and Brevelle Lake . The river provides most of the water for Wright Patman Lake , on the border between Bowie and Cass counties. Below Wright Patman Dam , the river continues its generally eastward flow to the Arkansas state line. The river flows southeastward through Miller County in southwestern Arkansas for 15 miles (24 km) until it joins
18-415: The amount of water being released from the dam; however, water quality is usually good. Wright Patman Lake provides additional opportunities for camping, boating, swimming, and fishing. Delta County (Texas) Delta County is a county located in the U.S. state of Texas . As of the 2020 census , its population was 5,230. Its county seat and largest city is Cooper . The county
24-533: The county has a total area of 278 sq mi (720 km ), of which 257 sq mi (670 km ) are land and 21 sq mi (54 km ) (7.6%) are covered by water. The 2020 U.S. census determined that Delta County had a population of 5,320. Among its population, the racial and ethnic makeup was 80.10% non-Hispanic white, 5.97% African American, 0.80% Native American, 0.71% Asian, 0.10% Pacific Islander, 0.57% some other race, 4.23% multiracial, and 7.53% Hispanic or Latino of any race. Delta County
30-467: The southbound Red River east of Doddridge , a few miles north of the Louisiana border. The Sulphur River provides numerous opportunities for fishing, boating, and other activities. Above Wright Patman Lake, the river has enough water for recreation most of the time. The flow is slow, and the river is murky, largely due to channelization upstream. Below Wright Patman Dam, the river flow depends on
36-530: Was founded in 1870 and is named for its triangular shape, which resembles the Greek letter delta . Meanders of two forks of the Sulphur River formed its northern and southern boundaries and meet at its easternmost point. Delta County was one of 19 prohibition, or entirely dry , counties in the state of Texas. As of 2015 , Delta County is no longer a dry county. According to the U.S. Census Bureau ,
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