Category:Drainage basins

• Drainage basins by country (22 C)
• Drainage basins by continent (6 C)
• Drainage basins by sea or ocean (14 C)

*

• Lists of drainage basins (1 C, 31 P)

E

• Endorheic basins (8 C, 3 P)

U

• United States hydrologic unit system (3 C, 2 P)

Ω

• Wikipedia categories named after drainage basins (28 C)

• Divide (drainage)
• Drainage basin
• Drainage divide
• Precipitationshed
• List of watershed topics

*

• List of drainage basins by area

A

• Alaska water resource region
• Arkansas–White–Red water resource region

C

• California water resource region
• Caribbean water resource region

D

• Drainage system (geomorphology)

E

• Endorheic basin

G

• Great Lakes water resource region

H

• Hawaii water resource region

L

• Lower Colorado water resource region
• Lower Mississippi water resource region

M

• Mid Atlantic water resource region
• Missouri water resource region

N

• New England water resource region

O

• Ohio water resource region

P

• Pacific Northwest water resource region

R

• Rio Grande water resource region

S

• Souris–Red–Rainy water resource region
• South Atlantic–Gulf water resource region

T

• Tagus Basin
• Tennessee water resource region
• Texas–Gulf water resource region
• Triple divide

U

• Upper Colorado water resource region
• Upper Mississippi water resource region

W

• Water resource region
• Watershed delineation