Yumthang Valley
Sikkim · 3,564m
Sikkim's Valley of Flowers — rhododendrons carpet the meadow, Feb–June
Bloom fading and monsoon arriving — landslide risk on the Lachung road.
Know before you go
- Best window
- Apr, May, Oct
- Permit required
- ILP (North Sikkim) — see process →
Month by month
In this guide
SectionsWhy Special
Yumthang, the 'Valley of Flowers', is a broad alpine meadow at about 3,560 m inside the Shingba Rhododendron Sanctuary, which protects roughly two dozen rhododendron species that bloom across the valley from late February to June. A short drive north are hot springs and, beyond, the Zero Point snow desert. It is reached from the base village of Lachung.
Who should think twice
Infrastructure reality
No infrastructure data available
Moderate altitude (3,564m) — acclimatization needed
How to Reach
Airport
Rail
Best Months
Click any month to see details
Bloom fading and monsoon arriving — landslide risk on the Lachung road.
If Things Go Wrong
Pre-run these scenarios before you leave — you won't have signal to read them later.Mild AMS (acute mountain sickness) first response
If
You develop a mild headache, nausea, dizziness or loss of appetite above roughly 2,500m within 6–24 hours of arrival.
Then
Stop ascending. Rest at the current altitude for 24–48 hours. Hydrate aggressively. If symptoms worsen or fail to improve, descend 500m and seek medical help. Never ascend further while symptomatic — HAPE and HACE kill quietly.
Full protocol →
UPI stops working in a remote belt
If
Your UPI apps return Server Error or Bank Unavailable repeatedly, and no card reader is in sight.
Then
This is the default state in most border valleys, not an emergency. Carry at least ₹10,000 cash in mixed denominations for any trip above 2,500m or off a state highway. Withdraw at the LAST reliable ATM — usually the district HQ — because village ATMs are ornamental.
Full protocol →
Altitude Context
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PEAK ALERT · APRIL
Yumthang Valley is at its best in April.
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