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Manas River
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The Manas River is Bhutan's largest river system and a transboundary river of great ecological significance. It originates in Tibet, flows through eastern Bhutan, and finally merges with the Brahmaputra in the Indian state of Assam. Within Bhutan, it drains a vast area and traverses the Royal Manas National Park, the country's oldest and most biodiverse national park. The river and its numerous tributaries create a variety of habitats, from alpine meadows to tropical forests. This river system is the lifeline for an incredible diversity of wildlife, including the Bengal tiger, the greater one-horned rhinoceros, the Asiatic elephant, and the rare golden langur. The river is also rich in fish, hosting species like the golden mahseer. The Manas basin is crucial for hydropower generation in Bhutan while also posing a potential flood risk due to monsoon rains and glacial melt.
- Location: Bhutan
- Top sights: watch tower · Manas National Park · TashiRabtenling Lhakhang
- Nearby: Mebar Tsho (Burning Lake) (13 km)
Best time to visit & climate
The most pleasant time to visit is Mar, Oct, Nov.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg °C | 11 | 13 | 17 | 20 | 22 | 23 | 23 | 23 | 22 | 20 | 16 | 13 |
| Rain mm | 6 | 18 | 48 | 212 | 267 | 341 | 362 | 269 | 214 | 115 | 11 | 5 |
📋 Practical info
Getting there
Reaching the riverbanks generally involves traveling along subtropical lowland roads and through nature reserves. Local transport or guided safari vehicles are frequently utilized to access the lower regions safely.
Best season
The best time to visit is typically during the drier winter and early spring months. The intense monsoon season brings heavy rains that swell this transboundary river significantly, making conditions difficult.
Terrain & paths
The landscape features lush subtropical vegetation, wide riverbeds, and occasional muddy banks. The terrain flattens out considerably as the massive water volume flows steadily toward the Indian plains.
What to bring
Light, breathable clothing and strong insect repellent are generally recommended for the humid subtropical climate. Binoculars are highly useful for safely observing the abundant wildlife near the mighty river.
Parking
Designated parking areas are usually found near local park headquarters or organized riverside viewpoint bases. From these locations, short guided walks or specialized boat trips might be readily available.
Safety
Visitors must be constantly aware of sudden water level changes and the presence of wild animals in the subtropical habitats. Swimming is strongly discouraged due to powerful, deceptive undercurrents.
Time needed
Exploring the river's adjacent wildlife areas usually takes a full day or constitutes a weekend safari trip. A brief stop simply to admire the flowing waters and surrounding scenery can be done in an hour or two.
Geography
Facts
- Largest river system in Bhutan.
- Total length of 376 kilometers.
- Flows through the Royal Manas National Park.
Explore nearby
Notable places around
Route planner — Car & Motorhome
Where do you start? We build the route here, with stops and country notes along the way.
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Sights in the town Manas River (6)
Sights nearby
Frequently asked questions
Can you do rafting on the Manas River?
Yes, there are guided rafting tours through the national park.
Where does the Manas flow to?
It flows south into India and joins the Brahmaputra River there.
Are there crocodiles in the river?
Gharials can be found in the warmer zones of Royal Manas Park.
Is fishing allowed?
Only with a special permit and following 'catch and release' principles.
What fish live in the Manas?
The Mahseer fish is one of the most famous species in the river.
Manas River: where is it located?
Manas River is located in Bhutan.
Manas River: what is there to see?
Highlights include watch tower, Manas National Park, TashiRabtenling Lhakhang.
Manas River: when is the best time to visit?
The most pleasant time to visit is Mar, Oct, Nov.
Manas River: why is it worth visiting?
The Manas River is Bhutan's largest river system and a transboundary river of great ecological significance.
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A sacred site that is actually a gorge on the Tang Chhu river.
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The Chokhor Valley in Bumthang is the spiritual heartland of Bhutan, dotted with ancient temples and sacred sites.
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Nature
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