| Ulken Damdi | |
| Other Name: | Үлкен Дәмді |
| Source1 Location: | near Zhunshilik |
| Source1 Coordinates: | 51.5497°N 65.4036°W |
| Mouth: | Saryozen (Turgay) |
| Mouth Elevation: | 126m (413feet) |
| Mouth Coordinates: | 50.9625°N 64.8678°W |
| Progression: | Saryozen → Sarykopa |
| Length: | 133km (83miles) |
| Discharge1 Avg: | 11.6m3/s at the mouth |
| Basin Size: | 5140km2 |
| Pushpin Map: | Kazakhstan |
| Pushpin Map Caption: | Mouth location in Kazakhstan |
The Ulken Damdi (kk|Үлкен Дәмді; (ru|Улькендамды),[1] is a river in the Karasu, Nauyrzym and Amangeldi districts of Kostanay Region, Kazakhstan. The river is the main tributary of the Saryozen and is 133km (83miles) long with a basin area of 5140km2.[2] [3]
The river flows by Damdi and Mereke settlements. The water is used for irrigation and watering livestock.[2]
The Ulken Damdi belongs to the Turgay basin. It has its origin in a source near Zhunshilik (kk|Жүншілік). The river heads initially southwestwards as the Damdi, then it bends southwards. A little upstream from Damdi village it is joined by the Sholak Damdi from the left and becomes the Ulken "Great" Damdi. Finally it joins the Saryozen from the right side. The valley is between 3km (02miles) and 7km (04miles) wide. In the upper course it flows within a 20m (70feet) to 40m (130feet) wide canyon bound by steep 4m (13feet) to 5m (16feet) high cliffs. The water is fresh in the spring, becoming brackish in the summer.[3] [4]
The main tributary of the Ulken Damdi is the 91km (57miles) long Moiyldi from the left.[4]
