River Rangpo
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River Rangpo is a river in the
Indian state India is a federal union comprising 28 states and 8 union territories, with a total of 36 entities. The states and union territories are further subdivided into districts and smaller administrative divisions. History Pre-indepen ...
of
Sikkim Sikkim (; ) is a state in Northeastern India. It borders the Tibet Autonomous Region of China in the north and northeast, Bhutan in the east, Province No. 1 of Nepal in the west and West Bengal in the south. Sikkim is also close to the Siligur ...
. A
tributary A tributary, or affluent, is a stream or river that flows into a larger stream or main stem (or parent) river or a lake. A tributary does not flow directly into a sea or ocean. Tributaries and the main stem river drain the surrounding drainage ...
of the
Teesta River Teesta River is a long river that rises in the Pauhunri Mountain of eastern Himalayas, flows through the Indian states of Sikkim and West Bengal through Rangpur, and enters the Bay of Bengal. It drains an area of . In India, it flows through ...
, it originates from
Menmecho Lake Menmecho Lake is a mountain lake located in Gangtok district in the state of Sikkim, India. It lies on the way to the Jelep Pass and is situated at a distance of ahead of the Lake Tsomgo. It is the source of the river Rangpo chu, a tributary of ...
near
Dzuluk Dzuluk or Zuluk or Jhuluk or Jaluk is a small hamlet located at a height of on the rugged terrain of the lower Himalayas in Rongli Subdivision of Pakyong District, which lies in the Indian state Sikkim ( Pincode 737131). This place is relati ...
and flows through
Rongli Rongli or Rangli is a town in the Pakyong District of the Indian state of Sikkim. It lies on the banks of Rangpo River around by road south of the state capital Gangtok. Rongli is also the headquarter of Rongli Subdivision of Pakyong District. ...
and
Pakyong Pakyong is the district headquarters of Pakyong District in the Indian state of Sikkim, located in the foothills of the Himalayas. It holds many Government Offices. Pakyong Airport is the only airport of Sikkim. The "National Research Centre fo ...
subdivision villages in
Pakyong District Pakyong district is a district in the Indian state of Sikkim, administered from Pakyong. The district was formed in 2021 from three former subdivisions of the East Sikkim district, viz., Pakyong Subdivision, Rangpo Subdivision and Rongli Subdiv ...
towards
Rorathang Rorathang is a town situated in the bank of Rangpo River on National Highway-717A, in Pakyong District of Sikkim, India. Transport Roadways Rorathang lies on National Highway-717A connecting Bagrakote to Gangtok via Labha- Algarah. Na ...
,
Kumrek Kumrek is an urban village lying on the bank of River Rangpo in Pakyong District in the Indian state of Sikkim. The nearest towns are Rangpo ( away) and Rorathang (). It is about above sea level giving it a sub-tropical climate. Transpor ...
and
Rangpo Rangpo is a Municipal town in Pakyong district in the Indian state of Sikkim. The town borders West Bengal's Kalimpong district and is situated along the Teesta river and Rangpo River. It is the first town of Sikkim lying on National Highway 10 ...
. The river demarcates the border between
Pakyong District Pakyong district is a district in the Indian state of Sikkim, administered from Pakyong. The district was formed in 2021 from three former subdivisions of the East Sikkim district, viz., Pakyong Subdivision, Rangpo Subdivision and Rongli Subdiv ...
of
Sikkim Sikkim (; ) is a state in Northeastern India. It borders the Tibet Autonomous Region of China in the north and northeast, Bhutan in the east, Province No. 1 of Nepal in the west and West Bengal in the south. Sikkim is also close to the Siligur ...
and
Kalimpong district Kalimpong district is a district in the state of West Bengal, India. Originally known as Dalingkot tehsil, the region was alternatively under the control of Sikkim and Bhutan. In 1865, it was annexed from Bhutan by British India under the Treaty ...
of
West Bengal West Bengal (, Bengali: ''Poshchim Bongo'', , abbr. WB) is a state in the eastern portion of India. It is situated along the Bay of Bengal, along with a population of over 91 million inhabitants within an area of . West Bengal is the fourt ...
from
Rorathang Rorathang is a town situated in the bank of Rangpo River on National Highway-717A, in Pakyong District of Sikkim, India. Transport Roadways Rorathang lies on National Highway-717A connecting Bagrakote to Gangtok via Labha- Algarah. Na ...
to
Rangpo Rangpo is a Municipal town in Pakyong district in the Indian state of Sikkim. The town borders West Bengal's Kalimpong district and is situated along the Teesta river and Rangpo River. It is the first town of Sikkim lying on National Highway 10 ...
. At the town of
Rangpo Rangpo is a Municipal town in Pakyong district in the Indian state of Sikkim. The town borders West Bengal's Kalimpong district and is situated along the Teesta river and Rangpo River. It is the first town of Sikkim lying on National Highway 10 ...
the river joins river
Teesta Teesta River is a long river that rises in the Pauhunri Mountain of eastern Himalayas, flows through the Indian states of Sikkim and West Bengal through Rangpur, and enters the Bay of Bengal. It drains an area of . In India, it flows through ...
. River Rangpo is the third largest river of Sikkim after
Teesta Teesta River is a long river that rises in the Pauhunri Mountain of eastern Himalayas, flows through the Indian states of Sikkim and West Bengal through Rangpur, and enters the Bay of Bengal. It drains an area of . In India, it flows through ...
and
Rangeet The Rangeet or Rangit is a tributary of the Teesta river, which is the largest river in the Indian state of Sikkim. The Rangeet river originates in the Himalayan mountains in West Sikkim district. The river also forms the boundary between Sikki ...
.
Atal Setu Bridge Atal Setu Bridge is located at Rangpo, Pakyong district, Sikkim. It is the longest roadway bridge of Sikkim. It was inaugurated by Honourable President of India Smt. Droupadi Murmu on 4th November 2022. It is constructed by National Highways an ...
the longest roadway bridge of sikkim lies over River Rangpo. The river runs through
Pakyong District Pakyong district is a district in the Indian state of Sikkim, administered from Pakyong. The district was formed in 2021 from three former subdivisions of the East Sikkim district, viz., Pakyong Subdivision, Rangpo Subdivision and Rongli Subdiv ...
of
Sikkim Sikkim (; ) is a state in Northeastern India. It borders the Tibet Autonomous Region of China in the north and northeast, Bhutan in the east, Province No. 1 of Nepal in the west and West Bengal in the south. Sikkim is also close to the Siligur ...
and a few parts of the
Kalimpong District Kalimpong district is a district in the state of West Bengal, India. Originally known as Dalingkot tehsil, the region was alternatively under the control of Sikkim and Bhutan. In 1865, it was annexed from Bhutan by British India under the Treaty ...
of
West Bengal West Bengal (, Bengali: ''Poshchim Bongo'', , abbr. WB) is a state in the eastern portion of India. It is situated along the Bay of Bengal, along with a population of over 91 million inhabitants within an area of . West Bengal is the fourt ...
. This tributary flows mainly from east to west with a variable
channel Channel, channels, channeling, etc., may refer to: Geography * Channel (geography), in physical geography, a landform consisting of the outline (banks) of the path of a narrow body of water. Australia * Channel Country, region of outback Austral ...
pattern including
braided Braided is a musical group consisting of Casey LeBlanc, Ashley Leitão, and Amber Fleury, who all competed on the third season of '' Canadian Idol'' in 2005. They are the third music group to come from an Idol show in the world, after Young Div ...
,
meander A meander is one of a series of regular sinuous curves in the channel of a river or other watercourse. It is produced as a watercourse erodes the sediments of an outer, concave bank ( cut bank) and deposits sediments on an inner, convex bank ...
ing, straight,
gorge A canyon (from ; archaic British English spelling: ''cañon''), or gorge, is a deep cleft between escarpments or cliffs resulting from weathering and the erosion, erosive activity of a river over geologic time scales. Rivers have a natural tenden ...
and blocked lake.
Landslides Landslides, also known as landslips, are several forms of mass wasting that may include a wide range of ground movements, such as rockfalls, deep-seated slope failures, mudflows, and debris flows. Landslides occur in a variety of environments, ...
are very common along the river bank as cliff-like
bedrock In geology, bedrock is solid Rock (geology), rock that lies under loose material (regolith) within the crust (geology), crust of Earth or another terrestrial planet. Definition Bedrock is the solid rock that underlies looser surface mater ...
s are significantly exposed along the river valley wall. 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 are
Rangpo Rangpo is a Municipal town in Pakyong district in the Indian state of Sikkim. The town borders West Bengal's Kalimpong district and is situated along the Teesta river and Rangpo River. It is the first town of Sikkim lying on National Highway 10 ...
,
Rorathang Rorathang is a town situated in the bank of Rangpo River on National Highway-717A, in Pakyong District of Sikkim, India. Transport Roadways Rorathang lies on National Highway-717A connecting Bagrakote to Gangtok via Labha- Algarah. Na ...
,
Rongli Rongli or Rangli is a town in the Pakyong District of the Indian state of Sikkim. It lies on the banks of Rangpo River around by road south of the state capital Gangtok. Rongli is also the headquarter of Rongli Subdivision of Pakyong District. ...
,
Kumrek Kumrek is an urban village lying on the bank of River Rangpo in Pakyong District in the Indian state of Sikkim. The nearest towns are Rangpo ( away) and Rorathang (). It is about above sea level giving it a sub-tropical climate. Transpor ...
etc in
Pakyong District Pakyong district is a district in the Indian state of Sikkim, administered from Pakyong. The district was formed in 2021 from three former subdivisions of the East Sikkim district, viz., Pakyong Subdivision, Rangpo Subdivision and Rongli Subdiv ...
of
Sikkim Sikkim (; ) is a state in Northeastern India. It borders the Tibet Autonomous Region of China in the north and northeast, Bhutan in the east, Province No. 1 of Nepal in the west and West Bengal in the south. Sikkim is also close to the Siligur ...
. Its confluence with Teesta River is immediately downstream of Rangpo town, the confluence point is known as Indrakil Prayag. At the town of
Rangpo Rangpo is a Municipal town in Pakyong district in the Indian state of Sikkim. The town borders West Bengal's Kalimpong district and is situated along the Teesta river and Rangpo River. It is the first town of Sikkim lying on National Highway 10 ...
, there is a bridge across River Rangpo, the bridge is called
Atal Setu Bridge Atal Setu Bridge is located at Rangpo, Pakyong district, Sikkim. It is the longest roadway bridge of Sikkim. It was inaugurated by Honourable President of India Smt. Droupadi Murmu on 4th November 2022. It is constructed by National Highways an ...
or Rangpo IBM Bridge and it is the longest bridge of Sikkim.


Course

The river originates from
Lake Menmecho Menmecho Lake is a mountain lake located in Gangtok district in the state of Sikkim, India. It lies on the way to the Jelep Pass and is situated at a distance of ahead of the Lake Tsomgo. It is the source of the river Rangpo chu, a tributary of ...
near
Dzuluk Dzuluk or Zuluk or Jhuluk or Jaluk is a small hamlet located at a height of on the rugged terrain of the lower Himalayas in Rongli Subdivision of Pakyong District, which lies in the Indian state Sikkim ( Pincode 737131). This place is relati ...
in
Gangtok district Gangtok District, formerly the East Sikkim district, is an administrative district of the Indian state of Sikkim. It was renamed in 2021 as a result of administrative reorganisation of the state, which also saw three subdivisions of the East ...
of
Sikkim Sikkim (; ) is a state in Northeastern India. It borders the Tibet Autonomous Region of China in the north and northeast, Bhutan in the east, Province No. 1 of Nepal in the west and West Bengal in the south. Sikkim is also close to the Siligur ...
. It flows down towards the villages of
Pakyong District Pakyong district is a district in the Indian state of Sikkim, administered from Pakyong. The district was formed in 2021 from three former subdivisions of the East Sikkim district, viz., Pakyong Subdivision, Rangpo Subdivision and Rongli Subdiv ...
like Latuk, Rolep, Losing, Chochenpheri,
Chujachen Chujachen is a large village located above Rongli Bazar, Pakyong District, numbering 816 households per a 2011 census. It resides at latitude 27.21 and longitude 88.68. History Meaning of the village name Chujachen means above pani dhara. The v ...
and reaches the town of
Rongli Rongli or Rangli is a town in the Pakyong District of the Indian state of Sikkim. It lies on the banks of Rangpo River around by road south of the state capital Gangtok. Rongli is also the headquarter of Rongli Subdivision of Pakyong District. ...
, where it is joined by a river called Rongli Khola. It further flows through villages of Sudunglakha, Mulukay, Bering,
Tareythang Tareythang is a small village located in Pakyong sub division at the Pakyong District of Sikkim state in India. This village is about 1250 m above sea level with a sub-tropical climate. It is 12 kilometers away from Pakyong. In electoral roll of ...
, 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 of
Rorathang Rorathang is a town situated in the bank of Rangpo River on National Highway-717A, in Pakyong District of Sikkim, India. Transport Roadways Rorathang lies on National Highway-717A connecting Bagrakote to Gangtok via Labha- Algarah. Na ...
, where it is joined by one of its largest tributary- Reshi River. From here the river forms border between
Pakyong District Pakyong district is a district in the Indian state of Sikkim, administered from Pakyong. The district was formed in 2021 from three former subdivisions of the East Sikkim district, viz., Pakyong Subdivision, Rangpo Subdivision and Rongli Subdiv ...
of
Sikkim Sikkim (; ) is a state in Northeastern India. It borders the Tibet Autonomous Region of China in the north and northeast, Bhutan in the east, Province No. 1 of Nepal in the west and West Bengal in the south. Sikkim is also close to the Siligur ...
and
Kalimpong District Kalimpong district is a district in the state of West Bengal, India. Originally known as Dalingkot tehsil, the region was alternatively under the control of Sikkim and Bhutan. In 1865, it was annexed from Bhutan by British India under the Treaty ...
of
West Bengal West Bengal (, Bengali: ''Poshchim Bongo'', , abbr. WB) is a state in the eastern portion of India. It is situated along the Bay of Bengal, along with a population of over 91 million inhabitants within an area of . West Bengal is the fourt ...
, flowing through villages like Bhasmay, Kashyong,
Kumrek Kumrek is an urban village lying on the bank of River Rangpo in Pakyong District in the Indian state of Sikkim. The nearest towns are Rangpo ( away) and Rorathang (). It is about above sea level giving it a sub-tropical climate. Transpor ...
, Lower Mansong, Chanatar etc and other small rivers like Kumrek khola, Pool Khola etc joins and than the river finally reaches the town of
Rangpo Rangpo is a Municipal town in Pakyong district in the Indian state of Sikkim. The town borders West Bengal's Kalimpong district and is situated along the Teesta river and Rangpo River. It is the first town of Sikkim lying on National Highway 10 ...
, where it joins river
Teesta Teesta River is a long river that rises in the Pauhunri Mountain of eastern Himalayas, flows through the Indian states of Sikkim and West Bengal through Rangpur, and enters the Bay of Bengal. It drains an area of . In India, it flows through ...
.


Hydropower Project

*A 110 MW Gati Hydropower Project lies on river Rangpo, The project site is between the town of
Rorathang Rorathang is a town situated in the bank of Rangpo River on National Highway-717A, in Pakyong District of Sikkim, India. Transport Roadways Rorathang lies on National Highway-717A connecting Bagrakote to Gangtok via Labha- Algarah. Na ...
and
Rongli Rongli or Rangli is a town in the Pakyong District of the Indian state of Sikkim. It lies on the banks of Rangpo River around by road south of the state capital Gangtok. Rongli is also the headquarter of Rongli Subdivision of Pakyong District. ...
of
Pakyong District Pakyong district is a district in the Indian state of Sikkim, administered from Pakyong. The district was formed in 2021 from three former subdivisions of the East Sikkim district, viz., Pakyong Subdivision, Rangpo Subdivision and Rongli Subdiv ...
in
Sikkim Sikkim (; ) is a state in Northeastern India. It borders the Tibet Autonomous Region of China in the north and northeast, Bhutan in the east, Province No. 1 of Nepal in the west and West Bengal in the south. Sikkim is also close to the Siligur ...
. * A 96 MW Madhya Bharat Power Corporation Project Power house lies in
Kumrek Kumrek is an urban village lying on the bank of River Rangpo in Pakyong District in the Indian state of Sikkim. The nearest towns are Rangpo ( away) and Rorathang (). It is about above sea level giving it a sub-tropical climate. Transpor ...
on the right bank of River Rangpo.


References

Rivers of Sikkim Pakyong district Braided rivers in India Rivers of India Tributaries of the Teesta River Rivers of Kalimpong district Rivers of West Bengal {{India-river-stub