Rupin Pass Trek (8N/9D) is famous for its iconic snow bridges over the Rupin gorge, traversing from Dhaula in Uttarakhand to Sangla in Himachal Pradesh via a 4,650m pass. May and June are the prime months when snow bridges are at their most spectacular. September and October offer a completely different but equally beautiful post-monsoon version of the same route.
Complete Calendar
Month-by-Month Guide
| Month | Status | Weather | Crowds | Price | Score | Verdict |
|---|---|---|---|---|---|---|
| January | Closed | Pass buried under heavy snow · Extreme cold · Dhaula access road closed | No trekkers | N/A | — | Trek closed. Heavy winter snowpack makes the entire upper route inaccessible. |
| February | Closed | Deep snow · Extreme conditions · Inaccessible | No trekkers | N/A | — | Trek closed. Winter. |
| March | Closed | Snow melting on lower trail · Pass still snowbound | No trekkers | N/A | — | Trek closed. Season opens in May when Rupin road and snow bridges are ready. |
| April | Closed | Residual snow · Unstable snow bridges · Dhaula access may be closed | No trekkers | N/A | — | Trek closed. Snow bridges forming — not yet safe for trekking. |
| May | Open | -2°C–16°C · Cold nights · Warm summit days | High — peak snow bridge season | Peak pricing | ⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐ | Best month — iconic snow bridges at full height, waterfalls at peak, pristine conditions. Book 3 months ahead. |
| June | Open | 2°C–20°C · Warming up · Pre-monsoon clear | High | Peak pricing | ⭐⭐⭐⭐⭐⭐⭐⭐⭐ | Excellent — snow bridges still impressive early June, wildflowers emerging. Book 2 months ahead. |
| July | Closed | Monsoon rain in Uttarakhand · Rupin river in flood · Dangerous crossings | No trekkers | N/A | — | Trek closed. Monsoon floods the Rupin river — crossings become extremely dangerous. |
| August | Closed | Heavy monsoon · Rupin in spate · Trail washed out | No trekkers | N/A | — | Trek closed. Peak monsoon in Uttarakhand — route not operational. |
| September | Open | 4°C–20°C · Post-monsoon green · Clearing by mid-September | Moderate | Standard pricing | ⭐⭐⭐⭐⭐⭐⭐ | Autumn opening — no snow bridges but lush green gorge and excellent views. Best from September 20. |
| October | Open | -2°C–14°C · Cold nights · Autumn gold Sangla Valley | Low | Standard pricing | ⭐⭐⭐⭐⭐⭐ | Last batches — autumn atmosphere, quiet trails, Sangla apple harvest. Close season by mid-October. |
| November | Closed | First snow · Pass closing · Cold nights | No trekkers | N/A | — | Trek closed. Early snowfall closes the pass. Season ends in October. |
| December | Closed | Heavy snow · Inaccessible | No trekkers | N/A | — | Trek closed for winter. |
Common Questions
Frequently Asked Questions
The snow bridges are most spectacular in May — 40–60 foot snow tunnels carved over winter. By June they are still impressive but thinning. By September they are completely melted. If snow bridges are your primary reason for doing Rupin Pass, book a May batch.
Yes — it's a point-to-point crossover from Dhaula (Tons Valley, Uttarakhand) to Sangla (Kinnaur, Himachal Pradesh) over the Rupin Pass at 4,650m. You cannot do it as a loop. Junegiri Yatra arranges transport from Sangla at trek end.
Prior experience on at least one 5-day Himalayan trek above 3,500m is strongly recommended. The 9-day duration, 4,650m pass, and technical snow sections in May/June require good fitness and basic understanding of high-altitude trekking. Technical snow gear is provided.
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