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| Rangpo River | |
|---|---|
 Rangpo River during dry season. | |
 | |
| Location | |
| Country | India |
| State | |
| Important Bridges |
|
| District | |
| Towns/Cities | |
| Physical characteristics | |
| Source | Menmecho Lake |
| • location | Menmecho Lake, aboveDzuluk,Gangtok district,Sikkim,India |
| Mouth | Teesta River |
• location | Indrakil Prayag,RangpoPakyong District,Sikkim,India |
| Basin features | |
| Tributaries | |
| • left |
|
| • right |
|
River Rangpo is a river in theIndian state ofSikkim. Atributary of theTeesta River,[1] it originates fromMenmecho Lake nearDzuluk and flows throughRongli andPakyong subdivision villages inPakyong District towardsRorathang,Kumrek andRangpo. The river demarcates the border betweenPakyong District ofSikkim andKalimpong district ofWest Bengal fromRorathang toRangpo. At the town ofRangpo, the river joins riverTeesta. The Rangpo is the third largest river of Sikkim afterTeesta andRangeet.Atal Setu Bridge the longest roadway bridge of Sikkim is over River Rangpo.
The river runs throughPakyong District ofSikkim and a few parts of theKalimpong District ofWest Bengal. This tributary flows mainly from east to west with a variablechannel pattern includingbraided,meandering, straight,gorge and blocked lake.Landslides are very common along the river bank as cliff-likebedrocks are significantly exposed along the river valley wall.[2]
During Monsoon season, especially from June to September, the volume of water in the river and its tributaries rises heavily due to continuous rainfall in Sikkim.
The important towns along the route of this river areRangpo,Rorathang,Rongli,Kumrek etc inPakyong District ofSikkim.
Its confluence with Teesta River is immediately downstream of Rangpo town, the confluence point is known as Indrakil Prayag.
At the town ofRangpo, there is a bridge across River Rangpo, the bridge is calledAtal Setu Bridge or Rangpo IBM Bridge and it is the longest bridge of Sikkim.
The river originates fromLake Menmecho nearDzuluk inGangtok district ofSikkim. It flows down towards the villages ofPakyong District like Latuk, Rolep, Losing, Chochenpheri,Chujachen and reaches the town ofRongli, where it is joined by a river called Rongli Khola. It further flows through villages of Sudunglakha, Mulukay,Bering,Tareythang, Tarpin where the river is fed my many tributaries like River Richu, River Donok, River Ralang, River Pachey, River Khaarey and it reaches the town ofRorathang, where it is joined by one of its largest tributary- Reshi River. From here the river forms border betweenPakyong District ofSikkim andKalimpong District ofWest Bengal, flowing through villages like Bhasmay, Kashyong,Kumrek,Lower Mansong, Chanatar etc and other small rivers like Kumrek Khola, Pool Khola, etc., join in and the river finally reaches the town ofRangpo, where it joins riverTeesta.
{{cite web}}: CS1 maint: archived copy as title (link)27°11′31″N88°36′10″E / 27.1920°N 88.6028°E /27.1920; 88.6028
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