River Wey near its source at Farringdon, Hampshire

Headstream is the origin of water flow that initiates the subject watercourse. It is the start of the river or stream. Image File history File links Metadata Size of this preview: 800 × 600 pixelsFull resolution (2048 × 1536 pixel, file size: 2. ... Image File history File links Metadata Size of this preview: 800 × 600 pixelsFull resolution (2048 × 1536 pixel, file size: 2. ... The River Wey in Surrey is one of the Waterways in the United Kingdom and a tributary of the River Thames. ... All Saints Church, Farringdon Farringdon is a village in Hampshire, England. ... For other uses, see Hampshire (disambiguation). ... A waterway is any navigable body of water. ...

The source of a river or stream may be a lake, a marsh, a spring, glacier, or a collection of headwaters. For example the source of the River Tees is marshland. The furthest stream is called the headstream. Headwaters are usually small streams that are often cool waters, because of shade and recently melted ice or snow. Also they may be glacial headwaters, waters formed by the melting of glacial ice. The source is normally the farthest point of the river stream from its estuary or its confluence with another river or stream. For other uses, see River (disambiguation). ... Butchers Creek, Omeo, Victoria A stream, brook, beck, burn or creek, is a body of water with a detectable current, confined within a bed and banks. ... Blowdown Lake in the mountains near Pemberton, British Columbia A lake (from Latin lacus) is a body of water or other liquid of considerable size contained on a body of land. ... This article is about marsh, a type of wetland. ... A natural spring on Mackinac Island in Michigan. ... This article is about the geological formation. ... The Tees is a river in Northern England. ... This article is about marsh, a type of wetland. ... Austrias longest glacier, the Pasterze, winds its 8 km (5 mile) route at the foot of Austrias highest mountain, the Grossglockner A glacier is a large, long-lasting river of ice that is formed on land and moves in response to gravity. ... Snowflakes by Wilson Bentley, 1902 Ice is the name given to any one of the 14 known solid phases of water. ... For other meanings, see Estuary (disambiguation) Rio de la Plata estuary An estuary is a semi-enclosed coastal body of water with one or more rivers or streams flowing into it, and with a free connection to the open sea. ... Confluence of Rhine and Mosel at Koblenz In geography, a confluence describes the point where two rivers meet and become one, usually when a tributary joins a more major river. ...

Where a river is fed by more than one source, it is customary to regard the highest as its source, with other sources considered tributaries. Often, however, the manner in which streams are named is not consistent with this convention. This article does not cite any references or sources. ...

Near its source, a river or stream may have a modest flow rate, but the flow increases as more surface runoff and tributaries drain into the subject stream. In fluid dynamics, the volumetric flow rate, also volume flow rate and rate of fluid flow, is the volume of fluid which passes through a given volume per unit time (for example gallons per minute or squeaks per parsec). ... Runoff flowing into a stormwater drain Surface runoff is water, from rain, snowmelt, or other sources, that flows over the land surface, and is a major component of the water cycle[1][2]. Runoff that occurs on surfaces before reaching a channel is also called overland flow. ...

Headwaters are the most extreme upstream areas of a watershed. The end point of the watershed is called a outflow or discharge. A drainage basin is the area within the drainage basin divide (blue outline), and drains the surface runoff and river discharge (green lines) of a contiguous area. ...

A watershed is an area of land that is drained by a body of water.

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