River AR LA MS

Yockanookany River

Arkansas • 32.9690, -89.5581

Length

78 mi

126 km

Elevation

590′ → 307′

284 ft drop

Stream Order

6

Large River

Slope

0.07%

3.6 ft/mi

Drainage

477 mi²

1,237 km²

Avg Flow

765 cfs

1.7 mph velocity

Path to Mouth

436 mi

702 km to ocean

Classification

Headwater

Source Stream

Elevation Profile

Water Quality

Data from EPA Water Quality Portal (USGS, EPA, state agencies).

EPA WQP MyWaterway

Data from USGS & NOAA for informational purposes only. More