Navasota River

Navasota River
The Navasota as it separates Leon and Robertson counties in Texas
Brazos River Watershed
Location
CountryUnited States
StateTexas
Physical characteristics
Source confluence 
  location3.5 miles NNW of Mount Calm, Hill County, Texas
  coordinates31°48′24″N 96°52′00″W / 31.80667°N 96.86667°W / 31.80667; -96.86667
  elevation196 m (643 ft)
Mouthat its confluence with the Brazos River.
  location
where Brazos County, Texas, Grimes County, Texas, and Washington County, Texas converge.
  coordinates
30°19′54″N 96°09′15″W / 30.33167°N 96.15417°W / 30.33167; -96.15417
  elevation
44 m (144 ft)
Length201 km (125 mi)
Discharge 
  locationWashington-on-the-Brazos, Texas
  minimum0.76 m3/s (27 cu ft/s)
  maximum2,390 m3/s (84,000 cu ft/s)

The Navasota River is a river in the U.S. state of Texas. It is about 125 miles (201 km) long, beginning near Mount Calm and flowing south into the Brazos River at a point where Brazos, Grimes, and Washington counties converge.