Yumthang Valley
The 'Valley of Flowers' of Sikkim — a broad meadow at 3,564 m ringed by snow peaks, carpeted with rhododendron in spring, reached by a long drive up from Lachung.
Manageable with care. The biggest factor is altitude / ams: 3564 m — very high altitude. Est. SpO₂ ≈ 87% arriving unacclimatised. AMS common; HAPE/HACE possible. Sleeping-gain limits are critical.
At 3564 m, altitude is the quiet risk. Arriving from low elevation in a single day gives your body no time to adjust — pace the climb where you can, and learn the early signs of AMS.
Score 43/100, re-derived from the site’s real characteristics — never a marketing grade. A higher number is not “don’t go”; it is “go informed.”
- At 3,564 m the day-trip from Lachung means a fast altitude swing — mild AMS is common
- The onward point, Zero Point (~4,600 m), is a serious jump higher; many turn back sick
- North Sikkim roads close on short notice for snow and landslides
- Gaining a lot of height by road in a single day still brings on AMS — pace it, hydrate, and watch for headache and nausea.
- Mountain weather flips fast and roads close for snow or landslides on short notice — keep a buffer day.
- A fast river through a green valley is still a killer current — admire it from the bank.
- Gangtok (Sikkim) (PYG)~67 km
- Siliguri (IXB)~132 km
- New Jalpaiguri (NJP)~129 km
- New Bongaigaon~236 km
Drive to the roadhead Lachung. From Gangtok (Sikkim) (~67 km) shared taxis and state buses run the last leg to Yumthang Valley.
Distances are straight-line (as the crow flies), computed from the coordinates. Real road distance and driving time in the mountains are longer — confirm current road status and the last motorable point with your operator, especially in monsoon and winter.
Live from Open-Meteo at this spot, adjusted to 3,564 m. Mountain weather turns fast — treat this as a hint, not a promise.
AMS common; HAPE/HACE possible. Sleeping-gain limits are critical.
See it in 3D
A Google-Earth-style flyby that drops in from orbit and traces the real approach trail up to Yumthang Valley(where it’s mapped in OpenStreetMap), over real satellite terrain — so you can read the climb and the lie of the land before you go.
Coordinates, heights and depths are approximate, curated from public sources — good enough to plan and to gauge risk, not surveyed. The safety grade is a deterministic guide, not a guarantee; conditions change with weather, water level and crowds.