Río Puchca
| Río Puchca | ||
 Río Puchca, about 20 km above the mouth |
||
| Data | ||
| location |
 Peru
|
|
| River system | Amazon | |
| Drain over | Río Marañón → Amazon → Atlantic Ocean | |
| Confluence of |
Río Huari and Río Mosna 9 ° 23 ′ 39 ″ S , 77 ° 8 ′ 32 ″ W |
|
| Source height | approx. 2600 m | |
| muzzle |
Río Marañón Coordinates: 9 ° 4 ′ 30 ″ S , 76 ° 56 ′ 43 ″ W 9 ° 4 ′ 30 ″ S , 76 ° 56 ′ 43 ″ W. |
|
| Mouth height | approx. 2100 m | |
| Height difference | approx. 500 m | |
| Bottom slope | approx. 10 ‰ | |
| length | 48 km (including Río Mosna: 106 km) | |
| Catchment area | approx. 2740 km² | |
| Right tributaries | Río Colca | |
| Communities | Masin | |
The Río Puchca is a 48 km (including Río Mosna: 106 km) long left tributary of the Río Marañón , left headwaters of the Amazon , in Peru . The Río Puchca flows through the provinces of Huari and Antonio Raymondi in the east of the administrative region of Ancash .
River course
The Río Puchca runs on the eastern slope of the Peruvian Western Cordillera . It arises 6 km south-southeast of the provincial capital Huari at an altitude of about 2600 m at the confluence of the Río Huari (left) and Río Mosna (right). The latter is the main source of the Río Puchca. The two source rivers drain the east side of the glaciated Cordillera Blanca . The Río Puchca flows in a predominantly north-northeast direction through the mountains. At river kilometer 42 the river passes the district administration center Masin . At river kilometer 33, the Río Colca meets the Río Puchca from the right. This finally flows into the Río Marañón at the border between the administrative regions of Ancash and Huánuco .
Catchment area
The Río Puchca drains an area of about 2740 km². Further south, which runs Río Vizcarra (also Urqumayu ) north of Rio Yanamayo .
Others
There are plans for a 140 MW hydropower plant on the Río Puchca.
