Orange River
The Orange River is a principal river in southern Africa, running from the Lesotho Highlands to the Atlantic Ocean.
Also known as: Gariep River, Senqu River
How big is it?
2,100 km long
Also 1,305 mi
Approximate main-channel length · approximate
Typical recorded range: 2,050 km to 2,150 km.
A little perspective
About the same scale as Pluto.
Pluto: Pluto is a dwarf planet in the Kuiper Belt, composed of rock and ice and orbiting the Sun.
Measurements, assumptions & sources +
Orange River
The Orange River is described by the cited source as approximately 1,300 miles, or 2,100 km, from the Lesotho Highlands to the Atlantic Ocean. Headwater naming and channel-centreline conventions affect the total.
Encyclopaedia Britannica — Orange River
The marked approximate main-channel length is calibrated. Unmeasured illustration details are representative.
Pluto
Mean-radius spherical model for Pluto; actual shape is not perfectly spherical.
NASA JPL — planetary physical parameters
The marked mean diameter is calibrated. Unmeasured illustration details are representative.
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Why this measurement?
Why we use 2,100 km
For comparison, this page uses approximate main-channel length. This is labelled approximate; the central value is useful for comparison, while real values or measurement solutions can vary. The recorded range is 2,050 km to 2,150 km.
The Orange River is described by the cited source as approximately 1,300 miles, or 2,100 km, from the Lesotho Highlands to the Atlantic Ocean. Headwater naming and channel-centreline conventions affect the total.
The marked horizontal span follows the named feature; transparent margins and unmeasured details do not alter it. How calibrated comparisons work →
Recorded properties
Orange River dimensions and measurements
| Property | Selected value | Recorded range | Basis |
|---|---|---|---|
| 2,100 km | 2,050 km to 2,150 km | approximate |
Around this scale
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Nearest lower value · SpaceRhea1,528 kmRhea is an icy moon of Saturn with a heavily cratered surface and bright fractures.Around the same scale · PlacesVolga3,530 kmThe Volga is a river in central Russia, running from the Valdai Hills to the Caspian Sea.Nearest higher value · PlacesMurray River2,530 kmThe Murray River is a major river in southeastern Australia, flowing from the Snowy Mountains to the Southern Ocean.Sources and method
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The source records and measurement method remain available for inspection.
- Encyclopaedia Britannica — Orange RiverApproximately 1,300 miles, rounded to 2,100 km, from the Lesotho Highlands to the Atlantic Ocean.
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SpacePluto2,377 kmPluto is a dwarf planet in the Kuiper Belt, composed of rock and ice and orbiting the Sun.
SpaceTriton2,705 kmTriton is a natural satellite of Neptune, with a retrograde orbit and a surface of frozen nitrogen.
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SpaceMoon3,475 kmThe Moon is Earth’s natural satellite and the brightest large object in Earth’s night sky.