Borasu Pass Trek – Chitkul To Har Ki Dun Valley

Yellow wild flowers of Morinda Taal by the Borasu stream
Beauty of Morinda Taal. Har ki dun valley Uttrakhand

Borasu Pass (also spelled as Barasu) is a high altitude [5450 m] is a classic Himalayan crossover from Chitkul in Sangla valley in Kinnaur to Har-ki-Dun valley in Uttarakhand. It connects the Indian states of Uttarakhand and Himachal Pradesh. The locals of Sankri and Osla village pronounce it as Barasu pass.

Borasu Pass Trek

Borasu pass trek itinerary covers the breathtakingly beautiful Har-ki-Dun valley, and we witness the beautiful glacial lakes of Morinda Taal and Zhukia (also spelled as Zhupkia) Glacier. The route for this trek passes through:

  • A long glacier.
  • Glacial moraine stretch.
  • Narrow ridges.
  • Mountain meadows.
  • and numerous boulders.

Overall a very adventurous experience not to mention the unforgettable views of the Kinnaur-Garhwal mountains.

Our fixed departures for 2021 is scheduled for June 2021. We can arrange a customized trek if our fixed departure does not match your schedule.

RegionBaspa valley of Kinnaur and Garhwal Himalayas of Uttarakhand
Trek Duration 7 Days
Difficulty levelModerate to Tough
Max. AltitudeBorasu pass (5450 m)
Best TimeMay to September
Borasu Pass Trek Summary
Climbing the glacier below Borasu pass
Taking a breather.. En route pass base camp | Borasu pass trek
Pass base camp | Borasu pass trek
Beauty of Morinda Taal. Har ki dun valley Uttrakhand | Borasu pass trek
Climbing the glacier below Borasu pass
Taking a breather.. En route pass base camp
Pass base camp
Beauty of Morinda Taal. Har ki dun valley Uttrakhand
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What Does Borasu Pass Trek Cost?

The cost estimation is based on the number of factors like the group size, pick-up place(Chandigarh/Shimla), and add-ons needed (backpack offloading, accommodation before and after the trek & drop off place (Sankri/Naitwar/Uttarkashi). Drop an email to avail large groups and early bird offers.

Highlights: Bandarpunch (6316m), Swargarohini (6252m), Hata Peak, Borasu pass (5450m), Morinda Taal (3650m), Zukia Glacier, Supin River, Zukia river, Chitkul village, Osla village, Baspa valley, and Govind Pashu Vihar National Park

Borasu Pass Timelaspse

Borasu Pass Trek Itinerary

  • Day #1: Chandigarh – Narkanda
  • Day #2: Narkanda – Chitkul village of Kinnaur
  • Day #3: Chitkul – Ranikanda
  • Day #4: Ranikanda – Bonga Camp
  • Day #5: Bonga Camp – Pass Base Camp (Snow Camping)
  • Day #6: Base Camp – Shona Bheda
  • Day #7: Shona Bheda – Morinda Taal
  • Day #8: Morinda Taal – Har ki dun
  • Day #9: Har ki dun – Osla
  • Day #10: Osla – Sankri
  • Day #11: Sankri – Dehradun / Chandigarh

Detailed Itinerary

Day 1: Chandigarh to Narkanda (altitude 2700 meters)

Start the day from Chandigarh and drive via Shimla and Kufri to Narkanda. Narkanda is a small town in Himachal Pradesh known for Hatu top and adventure sports like skiing. Enjoy the evening there and have dinner and stay in cozy hotels.

Day 2: Narkanda to Chitkul (altitude 3400 meters)

Drive to Chitkul via Rampur Bushahr and Jeori to Chitkul. Chitkul is the last village in Himachal Pradesh on the border of Tibet in the beautiful valley of Baspa.  Visit Chitkul Mata Mandir and fort. Dinner and overnight stay in camps by the river.

Day 3: Chitkul to Ranikanda meadows (altitude 3600 meters)

Today we start from Chitkul and trek to Rani Kanda. The gradient is gentle and the walk on the road built by BRO is very pleasant. Dinner and overnight stay in tents in Rani Kanda.

Day 4: Ranikanda to Bonga Camp (altitude 4000 meters)

Have breakfast and start trekking towards the Bonga base camp of the Borasu Pass. Dinner and overnight stay in tents.

Day 5: Bonga to Pass base camp (altitude 4800 meters)

Wake up early, have breakfast and start trekking early towards Pass Base Camp. Walk through Zukia Glacier.  Glacier slopes are quite steep and the climb is strenuous. Camping over the Zukia Glacier.

Day 6: Base Camp – Shona Bheda (altitude 4300 meters)

Have breakfast and start trekking early towards Borasu Pass. The final part of the trek is difficult. We cross the pass and reach over to the other side of the pass to Shonabira camp. Dinner and overnight stay in tents.

Day 7: Shona Bhera – Morinda Taal (3650 meters)

Start the day with breakfast and trek at a moderate pace to reach Morinda Tal which is a very beautiful lake. We pitch our tents by the lake and stay for the night.

Day 8: Morinda Taal – Har ki dun (altitude 3400 meters)

Today we descend from Morinda Tal to Har-ki-Dun. The walk is moderate to easy and the views of the snow-covered peaks make it worth the effort. Dinner and overnight stay in tents.

Day 9: Har ki dun – Osla – Seema (altitude 2600 meters)

Have breakfast and begin the moderate trek to Osla. The view along the trail is breathtaking. We can see a number of famous and unnamed peaks. Dinner and overnight stay in camps.

Day 10: Osla – Sankri  (altitude 2400 meters)

Today we trek from Osla to Taluka and then drive to Sankri. On the way, we cross the Gangad Village through dense forest. All this along the Tons river and the Supin river. Dinner and overnight stay in camps.

Day 11: Sankri – Dehradun / Chandigarh

Drive from Sankri to Dehradun, which can take around 7 hours and conclude the trip.

Criterion For Borasu Pass Trek

You must have done at least one high altitude trek before. Those who do not have the requisite trek experience of high altitude passes should not apply.

You must be physically fit to do the 7-day Himalayan trek. The trek leads up to 17,880 feet high Borasu pass ridge. At this altitude the air is thin and the rigors of the mountain can grind you down. You must give yourself sufficient time to prepare yourself for the trek.

NOTE: Trekkers are required to bring a medical certificate deeming them fit for high-altitude trekking at the start of the trek.

Backpack carrying: A porter will carry your backpack, please do not bring extra items but only the essentials needed for high altitude trek. Besides detailed planning, taking care of all the logistics, food, and good equipment, packing a backpack efficiently and carrying essential things play a key role in the success of an expedition.

Borasu Pass Trek Bare Essentials

  • A pair of good quality waterproof trekking boots.
  • Three pairs of socks.
  • Two pairs of waterproof hiking pants.
  • A pair of shorts
  • Two pairs of fleece jumpers. 
  • Two pairs of thermal tops and bottoms
  • One down jacket.
  • Headgear (1 beanie/skull cap, 1 buff, and 1 trekking cap). 
  • A pair of thick gloves
  • Personal hygiene essentials (alcohol-based gel, hand sanitizer, soap, towels, toilet paper, baby wipes, etc.) 
  • UV-block sunglasses.
  • First aid kit.
  • Water purifier and filtration bottle


  • All arrangements for overnight stays during the trip.
  • All meals
  • Food will usually consist of morning breakfast, lunch, evening high tea, and dinner.
  • All food will be vegetarian.
  • Trained and certified trek leaders who can handle possible emergencies.
  • Local guides and support staff with in-depth knowledge about the local area.
  • One luggage per person will be transported by us.
  • Inner line permits and arrangements en route.
  • All stays and lodging on a twin sharing basis shall be provided.


  • Any kind of personal expenses.
  • Camera fees or any other costs arising out of unforeseen circumstances or situations beyond our control.

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