Gurudongmar Lake
Gurudongmar is one of the highest lakes in the world, at about 5,200 metres (quoted between roughly 17,100 and 17,800 feet). It is sacred to Buddhists, Sikhs and Hindus and is named after Guru Padmasambhava, who is said to have blessed the lake so that part of it never freezes. The landscape is stark and dramatic – the bare Tibetan plateau on one side, glaciers and snow peaks on the other.
- Base: Lachen (about 2,700 m), around 65–70 km away.
- Timing: leave Lachen before dawn (around 4–5 am) and return by midday, as strong winds start in the afternoon.
- On the way: Thangu village and Chopta Valley (around 4,000 m), carpeted with flowers in spring.
- Who can visit: Indian citizens only, with the North Sikkim permit.
Yumthang Valley
Yumthang, at about 3,600 metres and 24 km from Lachung, is called the "valley of flowers". The Shingba Rhododendron Sanctuary here has more than 20 species of rhododendron, flowering from April to May, followed by primulas and other alpine flowers. In winter the valley is covered in snow and the river freezes. Yaks graze freely, and there is a hot sulphur spring between Lachung and Yumthang.
Zero Point (Yumesamdong)
Beyond Yumthang, the road climbs to Zero Point at around 4,600 metres, where snow lies for most of the year – the favourite spot for snow play. It is open to Indian citizens only and is often reached on the same day as Yumthang.
Altitude at a glance
| Place | Approx. altitude |
|---|---|
| Gangtok | 1,650 m |
| Lachung | 2,600 m |
| Lachen | 2,700 m |
| Yumthang Valley | 3,600 m |
| Chopta Valley | 4,000 m |
| Zero Point | 4,600 m |
| Gurudongmar Lake | 5,200 m |
Best time
April–May for flowers in Yumthang; October–November for clear skies at Gurudongmar. From December to February heavy snow often closes the road to Gurudongmar, and in the monsoon landslides frequently close North Sikkim roads.
Staying safe at altitude
- Always spend a night at Lachen or Lachung before going higher.
- Walk slowly, drink water, and avoid alcohol and smoking.
- Spend only a short time at Gurudongmar and Zero Point.
- People with heart or lung conditions, pregnant women and very young children should check with a doctor and may be advised not to go.
- Warm clothing is essential even in summer.
We have our own hotels in Lachen and Lachung with Gujarati and Jain food – a real comfort in this remote area.
Frequently asked questions
How high is Gurudongmar Lake?
About 5,200 metres – figures between 17,100 and 17,800 feet are quoted.
Can foreigners visit Yumthang?
Yes, with a Protected Area Permit in a group arranged by a registered operator. Gurudongmar and Zero Point are for Indian citizens only.
Can Gurudongmar and Yumthang be done in one trip?
Yes, on a 2–3 night North Sikkim tour staying in Lachung and Lachen, if the Lachen–Lachung road is open.
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Updated October 2026 by the Tip Top Group team.