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This list embraces topographical watersheds and drainage basins and other topics focused on them.

Terms – different uses

• The source of a river or stream is the furthest place from its estuary or confluence with another river, and is alternatively known as a "watershed" and/or "headwaters" in some countries.
• The confluence is the meeting of two rivers or streams, and may sometimes be known as "headwaters".
• A drainage basin is an area of land where all surface water converges to a single point at a lower elevation. In North America, "watershed" is used for this sense, while elsewhere terms like "catchment" or "drainage area" are used.
• A drainage divide is the line that separates neighboring drainage basins. In English-speaking countries outside of North America, this is normally known as a "watershed".

Drainage divides

• Drainage divides category
• The European Watershed, the line dividing the drainage basins of the major rivers of Europe
• The Drainage divides, the lines dividing drainage basins in North America (i.e.: Great Basin Divide and Great Basin hydrologic region)

Watersheds and drainage basins

• Basins category
• Drainage basins category
• List of drainage basins by area: A worldwide list of watersheds
• Drainage basins of the Atlantic Ocean category
• Drainage basins of the Arctic Ocean category

Watersheds - basins by country

• Watersheds of Canada category
• Watersheds of the United States category
• Drainage systems of Australia category

Examples

• Lake Erie Watershed (Pennsylvania)
• Guadalupe Watershed
• Hudson River Watershed
• Humber Watershed
• Turtle Creek Watershed

Watershed and drainage basin organisations and institutions

Management organisations

• Watershed management, the management of drainage basins
• Watershed Protection and Flood Prevention Act, a United States law controlling drainage and water storage
• Watershed district (Minnesota), one of a number of government entities in the US state of Minnesota which monitor and regulate the use of water in drainage basins
• Watershed district (Russia), one of twenty groups of water bodies listed in the Water Code of the Russian Federation

Examples

• Council for Watershed Health
• Great Swamp Watershed Association
• Minnehaha Creek Watershed District
• Santa Fe Watershed Association
• Walla Walla Basin Watershed Council
• Yukon River Inter-Tribal Watershed Council

Study institutions

• University of South Carolina Upstate: Center for Watershed Ecology

Other uses

• Watershed College, Zimbabwe
• Watershed Media Centre, Bristol, England
• Stony Brook Millstone Watershed Arboretum
• "River of Words"; watersheds as subject poetry competition

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