The Kara-Üngkür (), in its lower course Tentaksoy (, ) is a river in Kyrgyzstan and Uzbekistan. It is a large right tributary of the Kara Darya. The river is formed at the confluence of the rivers Kyzyl-Üngkür and Arstanbap, which originate in the Fergana Range and Babash-Ata Range.

Hydrology The river's length is 127 km, and its basin size 4,130 km2. Within its basin lie naturally scenic regions with wild walnut and fruit forests—the Kyzylünkür and Arstanbap valleys. At the village of Charbak, the average annual flow is 29.6 m³/s, with a maximum of 85.7 m³/s in May and a minimum of 9.64 m³/s in January. It discharges into the Kara Darya near the town of Kuyganyor, north of Andijan.

Irrigation and Infrastructure

The Kara-Üngkür is used for irrigation. To fully utilize its water, the Bazarkorgon reservoir (capacity 22 million m³) was built in 1962.

Settlements The river flows along the villages Kyzyl-Üngkür, Oogon-Talaa, Charbak and Bazar-Korgon in Kyrgyzstan, and Paxtaobod in Uzbekistan.

Tributaries Main tributaries are Arstanbap, Shaydansay, Kyzylünkür, Jazkechüü, and others.

References