Product Code Database
The Guaviare is a tributary of the Orinoco in Colombia. It flows together with the upper Orinoco (until here also called Río Parágua), which it clearly surpasses in length (altogether about 1,760 km) and water flow. Thus, the Guaviare is hydrologically the main stream of the Orinoco system.
The Guaviare has its source in two other rivers, the Ariari River and the Guayabero River, which in turn have their own sources in the eastern part of the Andes. At long, it is the longest tributary of the Orinoco and is navigable for of its total length. The Guaviare is considered the border between the Llanos and the Amazon Rainforest. Its main tributary is the Inírida River.
| ! rowspan="2" >Year ! colspan="3" | Discharge (m3/s) | ||
| 1985 | 1,206.5 | 6,426.17 | 12,716 |
| 1986 | 2,006.7 | 6,687.58 | 12,885 |
| 1987 | 1,620.4 | 7,063.17 | 12,664 |
| 1988 | 2,140 | 6,415.83 | 15,906 |
| 1989 | 2,674 | 6,843.67 | 15,800 |
| 1990 | 2,237 | 7,433.17 | 15,274 |
| 1991 | 850 | 6,999.33 | 14,910 |
| 1992 | 964 | 5,893.83 | 13,866 |
| 1993 | 1,031 | 7,613.92 | 13,229 |
| 1994 | 826 | 7,025.67 | 13,722 |
| 1995 | 1,663 | 6,014.08 | 12,689 |
| 1996 | 1,565 | 6,928.83 | 13,413 |
| 1997 | 2,232 | 6,634.5 | 11,841 |
| 1998 | 2,342 | 7,370.42 | 13,281 |
| 1999 | 2,775 | 7,311.92 | 11,574 |
| 2000 | 1,605 | 6,894.33 | 14,291 |
| 2001 | 1,835 | 6,289.17 | 14,500 |
| 2002 | 1,081 | 5,716.25 | 13,978 |
| 2003 | 921.1 | 7,002.83 | 13,319 |
| 2004 | 938.8 | 7,087.42 | 14,483 |
| 2005 | 1,381 | 6,411.08 | 14,500 |
| 2006 | 1,598 | 7,227 | 14,256 |
| 2007 | 962.4 | 7,149.92 | 14,201 |
| 2008 | 1,177 | 6,649.83 | 13,860 |
| 2009 | 1,795 | 5,806.42 | 14,465 |
| 2010 | 891.6 | 6,587.75 | 13,270 |
| 2011 | 1,356 | 7,036 | 13,030 |
| 2012 | 1,780 | 7,183.33 | 15,157 |
| 2013 | 1,111 | 6,941.17 | 14,100 |
| 2014 | 1,016 | 7,050.83 | 14,830 |
| 2015 | 1,613 | 6,449.67 | 14,500 |
| Avg. | 1,522.4 | 6,778.9 | 13,877.4 |
Average discharge
! Period
! Discharge
! Ref.
| ||
| Near mouth | ||
| 1926–2011 | ||
| 1971–2000 | ||
| 1974–2008 | ||
| Coayare (Guayare) | ||
| 1971–2000 | ||
| 1991–2020 | ||
| 1985–2015 | ||
| San José del Guaviare | ||
| 1971–2000 | ||
! Left
tributary
! Right
tributary
! Length
(km)
! Basin size
(km2)
! *Average discharge
(m3/s) | ||||
| Guaviare | 1,760 | 151,606.9 | 8,157.9 | |
| Lower Guaviare | ||||
| Atabapo River | 185 | 12,531.3 | 895 | |
| Inírida | 1,419 | 53,816.9 | 2,948.4 | |
| Uvá | 14,813.9 | 782.6 | ||
| Middle Guaviare | ||||
| Caño Minisiare | 2,335.5 | 119.3 | ||
| Caño Mina | 381.9 | 20 | ||
| Caño Cumaral | 391.5 | 21.3 | ||
| Iteviare | 4,618 | 221.3 | ||
| Siare | 4,574.5 | 197.9 | ||
| Caño Araguato | 712.3 | 38.5 | ||
| Caño Macú | 781.1 | 37 | ||
| Caño Yamus | 433 | 18.3 | ||
| Caño Jabón | 1,246.7 | 57.3 | ||
| Ovejas | 1,639.1 | 88.1 | ||
| Caño El Melón | 775.9 | 41 | ||
| Upper Guaviare | ||||
| Ariari River | 11,638.6 | 600.3 | ||
| Guayabero River | 540 | 24,345.9 | 986.2 | |
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