While thousands of trekkers turn back at Gaumukh or rest at Tapovan, a truer high-altitude adventure awaits those who push further across the massive lateral moraine of the Gangotri Glacier. By extending your itinerary from Tapovan to Nandanvan (4,340 m) and Vasuki Tal (4,880 m / 16,000 ft), you enter the sacred inner sanctuary of the Bhagirathi peak massifs.
Nandanvan — literally meaning 'The Garden of God' — is a high alpine meadow sitting right at the confluence of the Gangotri and Chaturangi (Four-Colored) glaciers. Camping here places you directly under the sheer 2,000-meter vertical granite faces of Bhagirathi I (6,856 m), Bhagirathi II (6,512 m), and Bhagirathi III (6,454 m). A further day hike leads to Vasuki Tal, a crystalline glacial lake reflecting Mount Vasuki Parbat. In this guide, we detail the complete route, glacier moraine crossings, permits, and ground logistics.
1. Route Overview Table
| Route Parameter | Details & Specifications |
|---|---|
| Trek Region | Gangotri National Park, Uttarkashi District, Uttarakhand |
| Start & End Point | Gangotri Town (3,100 m / 10,170 ft) |
| Highest Point | Vasuki Tal Glacial Lake (4,880 m / 16,000 ft) |
| Total Route Distance | ~52 km round-trip (Gangotri → Tapovan → Nandanvan → Vasuki Tal → Gangotri) |
| Ideal Duration | 7 to 8 Days |
| Difficulty Grade | Moderate-to-Challenging (Glacier moraine crossing, loose scree, high altitude) |
| Best Season | Pre-Monsoon (May–June) & Post-Monsoon (Sept–Oct) |
| Permit Requirement | Gangotri National Park Permit (DFO Uttarkashi / Single Window) |

2. Introduction & Landscape Highlights
Standing at Tapovan, Mount Shivling dominates your southern view. But when you cross the 3-kilometer wide Gangotri Glacier to Nandanvan on the opposite bank, the visual perspective flips entirely. Nandanvan offers an unobstructed front-row seat to the three towering granite spires of the Bhagirathi massifs.
Beyond Nandanvan lies the Chaturangi Glacier valley. The trail follows the lateral moraine of this multi-colored glacier to reach Vasuki Tal (4,880 m) — a pristine high-altitude tarn that serves as the base camp for serious mountaineering expeditions attempting Vasuki Parbat (6,792 m) and Bhagirathi I.
"Waking up at Nandanvan to see the first golden morning light catch the 2,000-meter vertical wall of Bhagirathi I is one of the grandest alpine sights in the Himalayas."
3. Day-by-Day Route Itinerary
Day 1: Gangotri (3,100 m) to Chirbasa / Bhojbasa (3,800 m) — 14 km
Follow the gradual Bhagirathi River trail past Gangotri Dham temple through pine and birch forests to reach Bhojbasa for night camping.
Day 2: Bhojbasa to Gaumukh Glacier Snout (3,900 m) to Tapovan (4,460 m) — 9 km
Trek to the Gaumukh ice snout, then climb the steep, boulder-strewn slope up to Tapovan meadow beneath Mount Shivling.
Day 3: Exploration & Acclimatization at Tapovan (4,460 m)
Rest and acclimatize at Tapovan. Hike to Neelatal (a small high-altitude tarn) or explore the base of Mt. Meru and Shivling.
Day 4: Tapovan to Nandanvan (4,340 m / 14,240 ft) — 7 km (5–6 Hours)
The key technical transition of the trek. Descend from Tapovan meadow onto the active moraine of the Gangotri Glacier. Negotiate 3 km of shifting rock, black ice crevasses, and loose scree ridges before ascending the grassy moraine wall of Nandanvan.
Day 5: Nandanvan to Vasuki Tal (4,880 m / 16,000 ft) & Return to Nandanvan — 12 km (6–7 Hours)
Day excursion. Follow the lateral moraine of the Chaturangi Glacier on a gradual incline. The trail passes rocky ridges before topping out at the calm, turquoise waters of Vasuki Tal. Spend 1 to 2 hours at the lake enjoying views of Mt. Vasuki and Bhagirathi I before returning to Nandanvan camp.

Day 6–7: Nandanvan to Bhojbasa (13 km) & Return to Gangotri (14 km)
Cross the Gangotri Glacier moraine down to Gaumukh / Bhojbasa on Day 6, and complete the final descent back to Gangotri town on Day 7.
4. Moraine & Glacial Crossing Hazards
Crossing the Gangotri Glacier from Tapovan to Nandanvan requires careful attention:
- Shifting Cairns: Because the glacier moves continuously, fixed paths do not exist. Trekkers must follow stone cairns (piles of rocks) marked by mountain guides.
- Black Ice Slippage: Moraine rocks often rest over slippery black ice. High-ankle boots with deep Vibram treads and trekking poles are mandatory.
- Loose Scree Ascent: The final 150-meter climb onto Nandanvan plateau involves loose dirt and scree; maintain distance between trekkers to avoid dislodging rocks.
5. Permits & Forest Rules
The Nandanvan and Vasuki Tal extension falls under the same Gangotri National Park Forest Department permits (150 daily entry cap). Be sure your permit explicitly lists 'Nandanvan / Vasuki Tal' as additional destination nodes beyond Gaumukh.
6. Best Season to Visit
- Pre-Monsoon (May–June): Rushing meltwater streams, snow patches around Vasuki Tal, pleasant daytime temperatures (10°C to 15°C).
- Post-Monsoon (September–October): Crisp clear atmosphere, razor-sharp views of Bhagirathi peaks, golden autumn colors at Nandanvan, sub-zero night temperatures (-5°C to -10°C).
7. Gear & Packing Essentials
- Footwear: Waterproof high-ankle trekking boots with rigid Vibram soles.
- Trekking Poles: Pair of anti-shock trekking poles for moraine balance.
- Warmth Layers: Sub-zero down jacket rated for -10°C and thermal innerwear.
- Microspikes: Recommended for early season (May) glacier crossings.
8. FAQs & Local Tips
Q1: Can we camp at Vasuki Tal?
Standard trekking itineraries conduct Vasuki Tal as a day hike from Nandanvan. Camping at Vasuki Tal (16,000 ft) is usually reserved for technical mountaineering teams climbing Vasuki Parbat or Kalindi Khal.
Q2: Is crossing the Gangotri Glacier dangerous?
When accompanied by an experienced local guide who knows the current moraine cairn trail, the glacier crossing is safe. Trekking without a guide across the moraine is illegal and dangerous.
Ready to explore the glacial flanks of Bhagirathi? The Himalayan Trail organizes complete Nandanvan & Vasuki Tal circuits with certified mountain guides, DFO permits, and alpine camping out of Uttarkashi.





