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Caddo River
Norman, AR 002.jpg
Caddo River at Norman
Country United States
State Arkansas
Physical characteristics
Main source Caddo Mountains
Ouachita Mountains
1,400 ft (430 m)
River mouth Ouachita River
near Arkadelphia, Arkansas
144 ft (44 m)
Length 82 mi (132 km)
  • Location:
    USGS gage 07359610, near Caddo Gap, AR
  • Minimum rate:
    16 cu ft/s (0.45 m3/s)
  • Average rate:
    267 cu ft/s (7.6 m3/s)
  • Maximum rate:
    28,600 cu ft/s (810 m3/s)

The Caddo River is a tributary of the Ouachita River in the U.S. state of Arkansas. The river is about 82 miles (132 km) long.


The Caddo River flows out of the Ouachita Mountains through Montgomery, Pike, and Clark counties in Arkansas before flowing into DeGray Lake and then to its terminus at the Ouachita River north of Arkadelphia, Arkansas.

The upper Caddo is known as a good family canoeing river and is a popular destination for fishing. Smallmouth and spotted bass are found in quantity, as are longear and green sunfish. The lower course of the Caddo, below Degray Dam, is also a popular fishing and canoeing river, although the length of river remaining is only a few miles at that point.

Communities through which the Caddo River passes are:

Flood of 2010

On the night of June, 2010, a flash flood along the Caddo and Little Missouri Rivers killed twenty people.


The Caddo River is named for the Caddo Native American tribes that, at one time, lived along its banks.

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