Tsomgo Lake (Changu Lake)

Tsomgo Lake (Changu Lake) Travel Guide

Overview | Photo Gallery | Permit | Best time to visit & Temperature | How to Reach | Route MAP |
Tsomgo Lake tour packages | Nathula Pass

Tsomgo Lake- Gangtok

Tsomgo Lake- Gangtok

Tsomgo Lake (Changu Lake) is located 30 Km from Gangtok on the way to Nathula Pass. In Bhutaia Lacguage the word Tsomgo means the ‘Source on Lakes’. At an altitude of approx 12,000 ft above the sea level it is the most visited place in Gangtok. the  Lake is oval in shape and approximately 1km. long. It has an average depth of about 50 ft. it was created by the snow melted water from the mountains around the lake & a river namely Lungtze Chu has been created from the Lake. The lake further falls into Rangpo-chu.

According to the myth the spirituals gurus of Sikkim used to study the colour of the water of Tsomgo Lake to forecast the future of the state. So the lake is considered as sacred by the local people.

Tsomgo Lake gets frozen in the winter (Jan to mid Apil) & offers a breath taking view of snow capped mountains all around. In April & May it offers variety of flowers including various types of Rhododendrons & Orchids. On the way from Gangtok to Tsomgo Lake there is Kyongnosla Alpine Sanctuary which offers a wide variety of flora & fauna.

Changu Lake is a paradise for the ornithologists. The migratory birds takes a break near the lake while flying long way from Syberia to the Indian plains. Brahminy Ducks  is a one of the spices.
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Changu Tour packages :

List of Packages (Ex Bagdogra/ Siliguri/ NJP)


Price Starts

6 nights- 7 daysRs.11,000/-
3 nights-  4 daysRs.5,500/-
5 nights-  6 daysRs.10,000/-
6 nights- 7 daysRs.11,000/-
8 nights- 9 daysRs.20,800/-
5 nights- 6 daysRs.9,500/-


Photo Gallery

Tsomgo Lake in October, November & December


Tsomgo Lake in January February March & April

Tsomgo Lake in May & June


Tsomgo (Changu) Lake Permit & regulations :

Changu Lake is open for the tourists all days. It comes under restricted areas in Sikkim hence Restricted Area Permit (RAP) is needed. Tourists need to submit a photo copy of any of the ID proofs (Voter ID, Passport, Driving License or any other id card issued by the Government of India / State Government) along with passport size recent colour photographs.  

Foreign nationals are also allowed to travel up to Changu Lake accompanied by a local guide.

Note: PAN card is not accepted as an identity proof in Sikkim. Issuance of Tsomgo permit depends on the weather & road condition.  

Tsomgo Lake -Best time to visit- Temperature & Climate:

Winter : Mid December to Mid February are the coolest months. Temperature ranges from -100C at night to 70C at day. This is the best time to see snow in East & North Sikkim.

Spring : In March & April it will be moderately cold. Temperature ranges from -50C at night to 180C at day. This is flowering season & best time to see snow along with orchid & rhododendron.

Summer : In May & June it will not be very hot. Temperature ranges from 30C at night to 220C at day.

Monsoon : July & August are not considered to be a good season, as there will be possibilities of heavy rain. Temperature ranges from 100C at night to 220C at day.

Autumn : In October & November just after monsoon this is probably the best time to visit the Lake with clear sky & moderate temperature.  Temperature ranges from -50C at night to 180C at day. It is also a good time for photography.


How to Reach Tsomgo Lake :

Tsomgo Lake is just 40km away from the state capital Gangtok & easily accessible by road.  Gangtok is well connected by road with other cities of Sikkim.

By Air: Currently Sikkim does not have any operational airport or railway station. An airport is being constructed in Pakyong. The nearest operational airport in Bagdogra (IXB) located in West Bengal. Bagdogra to Gangtok is 125km, Pelling 145km & Namchi is approx 110km. Bagdogra is directly connected with Delhi, Kolkata, Guwahati & Bangkok & it is indirect connection all major cities in India.

By Rail: Due to the geographic nature Sikkim does not have any railway connectivity. The nearest railway station is New Jalpauguri (NJP) located in neighboring state West Bengal. NJP is well connected with all major cities in India. NJP to Gangtok is 120km, Pelling 135km & Namchi is 98km.   

By Road : Sikkim is connected with Siliguri/Bagdogra/NJP through national National Highway 31A. It connects West & South district through Melli & Gangtok (East) through Rongpo. Sikkim National Transport (SNT) operates regular busses from Siliguri to various destinations in Sikkim. Private buses are also available from Tenzing Norgay Bus Terminus.


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