Rush Lake Trek: To One of the Highest Lakes on Earth

Pakistan Locals Team
5 August 2026 · 3 min read

One of the highest alpine lakes in the world at around 4,694 m, reached by a demanding multi-day trek from Hopar in Nagar, past the Hopar and Barpu glaciers, with huge views of Spantik and Malubiting.
The lowdown
- Location
- Rush Lake
- Region
- Gilgit-Baltistan
- Nearest town
- Hopar, Nagar
- Difficulty
- Hard
- Crowd level
- Quiet
- Best season
- Late June to September
High above the Hunza valley, in the folds of Nagar, sits a lake so high that few travelers ever reach it. Rush Lake, at around 4,694 metres, is one of the highest alpine lakes in the world, and getting there is a serious, spectacular trek past great glaciers and beneath 7,000 metre giants. This is not a beginner's walk. It is a real high-mountain adventure, and this guide tells you honestly what it takes.
Why Rush Lake is special
Very few places let you stand beside a lake at nearly 4,700 metres, ringed by some of the highest peaks on earth. From Rush Lake and the ridge above it, you look out on Spantik (Golden Peak), Malubiting, and a sea of ice. You cross the Hopar and Barpu glaciers to get there. It is remote, wild, and utterly quiet, the kind of place that makes the hard days worth it.
The route
The trek starts at Hopar, a cluster of villages in Nagar reached by road from Hunza. From there it is roughly a 3 to 4 day round trip:
- Hopar across the glacier to Miar or Barpu meadows. You cross the glacier early, then climb to high summer pastures to camp.
- Up to Rush Lake and the Rush Pari viewpoint (around 4,694 m). The big day, with the lake and the panorama as your reward.
- Descend the same way over one or two days.
How hard is it?
This is a hard trek, and you should be honest with yourself about it. You are crossing glaciers, gaining serious height, and sleeping high. It needs good fitness, previous trekking experience helps a lot, and it is not the place for your first-ever hike. The glacier crossing in particular needs a guide who knows the safe line.
The altitude is the real challenge
At nearly 4,700 metres, altitude is the main danger, not the distance. You must acclimatise properly first, ideally with a few days in Hunza and lower treks before this one. Go up slowly, drink lots of water, watch for the signs of altitude sickness, and be ready to turn back. Read our altitude sickness guide before you go, and take it seriously.
When to go
Late June to September is the window, once the snow has melted enough to cross safely and the meadows are open. July and August are the most reliable. Outside this, snow and cold make the glacier and the high camp dangerous.
Why you need a guide and porters
For a trek like this, a local guide is not optional. They find the safe route across the glacier, manage the altitude and pace, handle the camp and food, and know what to do far from any road if something goes wrong. Porters carry the heavy loads so you can focus on the walk and the height. On Pakistan Locals, you can find verified guides in the Hunza and Nagar area who run exactly this kind of high trek.
The honest truth
Rush Lake is not for everyone, and that is fine. It is a demanding, high, remote trek that rewards experience and preparation. But for a fit trekker who acclimatises properly and goes with a good guide, standing beside one of the highest lakes on earth, surrounded by giants, is a memory that lasts a lifetime. Respect the mountain, prepare well, and it is within reach.
Take on Rush Lake with an experienced local guide. Browse high treks and guides, explore Hunza and Gilgit-Baltistan, and read our best treks guide.
Written and fact-checked by the Pakistan Locals editorial team, with local hosts and guides who lead treks in Nagar and Hopper. Last updated August 2026. This is a serious high altitude trek, so go with a qualified guide, porters and time to acclimatise.
Sources and further reading
Ready to explore Pakistan with local hosts? Browse trips and experiences on Pakistan Locals, and if you live in the area you can list your own experience or stay. Read our Hunza valley travel guide and best treks in Pakistan next.
Questions people ask
How high is Rush Lake?+
About 4,694 m, which makes it one of the highest alpine lakes in the world, reached above the Hopper glaciers in Nagar.
How hard is the Rush Lake trek?+
It is a hard trek of several days with glacier crossings and real altitude, so it suits fit trekkers with a guide, porters and proper acclimatisation.
When is the best time for the Rush Lake trek?+
July to September, the short window when the snow has cleared the pass and the weather is most stable.
Where does the Rush Lake trek start?+
From Hopper valley in Nagar, reached by jeep from Hunza, crossing the Bualtar and Barpu glaciers on the way up.

Pakistan Locals Team
The Pakistan Locals editorial team writes practical, on-the-ground travel guides to Pakistan, researched and fact-checked in consultation with our network of local hosts and guides.