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Sulphur River in Texas

River47.8 mi
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Around Sulphur River

Rocky Point(Wright Patman Dam)4 miWright Patman Lake · 3.5 mi20 mi

Data Source: Recreation.gov · Public land: USGS PAD-US

About this river

Sulphur River is a 47.8 mile river. Streamflow is measured at the USGS gauge Sulphur Rv nr Texarkana, TX (site 07344210). The National Hydrography Dataset places it at stream order 7. Reach geometry comes from the USGS National Hydrography Dataset.

Typical flow by month

2008 to 2026

Sulphur River typically runs highest in June, at a median 9,370 cfs, and lowest in September, at 1,016 cfs. The highest flow on record for any single day is 12,200 cfs, in 2010.

Show the numbers
Typical flow by month at Sulphur Rv nr Texarkana, TX, in cfs
MonthTypical (cfs)Usual range (cfs)
January4,0101,840 to 9,690
February8,5703,780 to 9,890
March8,5304,110 to 9,620
April8,4702,700 to 9,555
May8,5704,860 to 9,550
June9,3702,355 to 9,785
July4,0101,160 to 9,140
August4,400785 to 8,700
September1,016627 to 3,385
October3,280823 to 8,200
November1,155607 to 7,640
December3,580865 to 9,940

Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 10 years of record. Statistics published by the US Geological Survey for Sulphur Rv nr Texarkana, TX (site 07344210). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

Boat access nearby

8 mapped launches sit in the mapped area of Sulphur River, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.

  • White OakSulphur River - Wright Patman LakePublic
  • Overcup LandingSulphur River - Wright Patman LakePublic
  • MIll Creek LandingSulphur River - Wright Patman LakePublic
  • US96 BridgeSulphur RiverPublic
  • FM 2461Sulphur River - Wright Patman LakePublic
  • Berry Farm ParkSulphur River - Wright Patman LakePublic
  • Cass County ParkSulphur River - Wright Patman LakePublic
  • Highway 8 BridgeSulphur River - Wright Patman LakePublic

Made to print

Put Sulphur River on your wall

This river section as an art print, drawn over the real terrain with its miles, plus the trails, roads and peaks around it. Pick the colors and the size, and see the finished print before you buy. From $39, shipping included.

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