Geography of Bhutan


It is as if the creator took his time in molding the land of Bhutan that its variation in landscapes leave people awestruck. Despite a mere 38394 sq. km Bhutan has one of the most diverse geography in South East Asia. From the plain areas of the southern foothills to mountainous Himalayas of alpine zones and to beautiful curves of central valleys, Bhutan has it all.

Bhutan lies in 27°30′N90°30′E and inhabits numerous mountain peaks. Bhutan is home to the highest unclimbed mountain of the world Jomolhari, that lies at a height of 7326m. The mountain peaks in Bhutan are stunning display of natural embellishment. Some of the other mountain peaks include Jichudrakey and Jowodurshing. Bhutan also houses glacial lakes in abundance with an estimate of 2674 glacial lakes and 59 natural mountain lakes.



Navigating through the dense mountainous region of Bhutan would have been and arduous if not for the various passes. These passes used to be like a north star for the inhabitants of Bhutan in the olden days. Today, it’s still used through modern platform of transportation and is a visual spectacle when one traverses through the mountainous region. The passes in Bhutan are as follows:

Chele La between the Haa valley and Paro valley (3,810 m /13000 ft), It is the highest pass crossed by Bhutanese highway.

Dochu La between Thimphu and Punakha (3,116 m/10,223 ft),

Pele La at (3,390 m/ 1122 ft)

Yotong La, (3450m/ 11318 ft)

Thrumshing La (3752m/ 12309 ft)



Due to the difference in elevation the climate varies in different region of the country. The southern foothills being nearer to the Indian ocean and bay of Bengal holds a humid weather with annual monsoon season. The temperature gets loser as elevation increases to the inner Himalaya. The temperature in southern region usually ranges from 150C in winter to 300C in winter. It makes make the region much ideal for visit during the winter season.

The central region of Bhutan is usually the densely populated region due to its much favorable climate. It enjoys cold yet bearable winters with light snowfall and warm summers with decent rainfall of 350mm in average. The temperature in the capital ranges from -2.50C during the winter to 250C in the summer.

The northern region is usually enclosed in cold weather by cold weather with average temperature dipping below freezing point in winter. The northern region is usually beyond the tree-line and encompasses snowcapped mountains throughout the year.



There are four seasons in Bhutan in the range of 3 months every year.

  1. Spring- March, April and May.
  2. Summer/ Monsoon- June, July and August
  3. Autumn- September, October, November
  4. Winter- December, January, February.


Bhutan has four river systems which is sourced by the glaciers in the northern region. Drangme chhu is the largest river system in Bhutan with a spans 376 kilometers from Bhutan to states of Assam. It originates from Kameng District if Arnachal Pradesh in India. Wang Chhu Originates from Himalayan glaciers in Tibet. It flows through districts like Thimphu, Paro and Haa. The river is quite popular for recreational activities as it falls in generally warm climatic region. Mo Chhu River originates from Gasa Dzongkhag in Northern Bhutan. Mo chu meets Pho chu in Punakha District and forms into Puna Tsang chu. Amo chhu or Torsa River. It is the smallest river system in Bhutan. It is 358 km Long out of which 145 Kilometer of it lies in Bhutan.