Borasu Pass Trek


Summer Temperature: (-2°C to -5°C) (5°C to 15°C)


8 Days (Dehradun to Shimla)



Borasu Pass Trek – Trek to an adventure virgin trail rarely explored

Borasu is a Dividing and Connecting Pass

  • Borasu Pass lies at an altitude of 5,450 metres and divides Himachal Pradesh and Uttarakhand. This pass has all the adventure hidden, in ancient times it was trade route between Kinnaur and Har Ki Dun valley.
  • Borasu Pass connects Har Ki Dun to Baspa valley.

Adventure Enthusiasts must Attempt this Trek


The trail of Borasu Pass is thrilling through high ridges, meadows, snow slopes and glaciers. The views of Bandarpoonch, Black peak, Har Ki Dun and Swargarohini are rewarding. It is a great trek for adventure lovers.


Borasu Pass is not for Beginners


The trails are exhilarating and demands fitness and knowledge. Proper equipment are needed, ascending and descending requires use of ropes.  The climb is technically difficult so beginners should avoid this trek but it turns out to be great for the experienced.

Trek Information

Duration:- 08  Days (Dehradun to Shimla)


Best Season:- May, June, September and October


Level:- Difficult


Highest Altitude:-  (5450 m)


Summer temperatures (-2°C to -5°C) (5°C to 15°C)


Started point Dehradun


Short Itinerary Borasu Pass Trek


Day 01 – Dehradun to Sankri (1920 m) (210 km) (7/8 hours)


Day 02 – Sankri to Taluka (11 km) trek to Cheludgad (2700 m) (13 km) (4/5 hours)


Day 03- Cheludgad to Seematra (3400 m) (7 km) (4/5 hours)


Day 04- Seematra to Har Ki Dun (3645 m) (7 km) (4/5 hours)


Day 05 – Har Ki Dun to Ratta Tho (4105 m) (7 km) (4/5 hours)


Day 06 – Ratta Tho to Upper Lamjunga (4899 m) (8 km) (5 hours)


Day 07-  Upper Lamjunga to Borasu Pass (5450 m) and Bonga Camp (4470 m) (11 km) (6/7 hours)


Day 08- Bonga to Chitkul via Rani Kanda and Drive to Shimla (3450 m) (13 km) (6/7 hours)


Borasu Pass Trek Trek Details Itinerary


Day 1 – Dehradun to Sankri (1920 m) (210 km) (7/8 hours)


Our pick up point is Dehradun Railway station or ISBT, meet us there and then drive is towards Sankri. You can have your breakfast at Kempty Fall which is a famous picnic spot and is famous for a waterfall. Have your lunch in middle of your journey at Purola.


It’s a picturesque drive to Sankri, you will get fetching views through your window, and the drive will be through Dehradun, Mussoorie, Nainbagh, Damta, Newman, Purola, Mori, Netwar these are beautiful places in the Himalayas. Sankri lies in Govind Wildlife Sanctuary of Uttarkashi district, it is a village with a mini market famous for wooden huts which serve delectable food. You will see apple orchards here and greenery all around.


Reach Sankri have a glace of snow covered mountains, this place is pollution free, enjoy the invigorating climate. We own a hotel there named “Swargarohini”, relax for the night here.


Day 2 – Sankri to Taluka (11 km) trek to Cheludgad (2700 m) (13 km) (4/5 hours)


Have your breakfast and then leave for Taluka by taxi, it is 11 km away from Sankri when you reach there take a short break and start your trek towards Cheludgad, the trail takes you through dense pine forest, varieties of animals live in this region as it is rich in Flora and Fauna. The trail is rough and is not in a very good condition.


If you lack time to reach Cheludgad camp then 2 km ahead Taluka there is a campsite near a stream which is water source for that campsite. Setup your tents, enjoy dinner and stay in tents.


Day 3 – Cheludgad to Seematra (3400 m) (7 km) (4/5 hours)


Today’s trek is 7 km long and it can be done in 4-5 hours, have your breakfast early in the morning and packed lunch will be provided. Start heading from Cheludgad towards Seematra.


You can know about the traditional values of people living here by talking to the villagers, this place has got scenic views and is extremely beautiful. The greenery is eye pleasing and heart-warming and. In the month of winters it remains covered in snow and looks enticing.


This place is related to mythology and you can know about many stories of Pandavas and Kauravas. Villagers here grow potato, Rajma and Red rice is very famous her. They have sheeps and the villagers use their wool to weave coats, folk dresses and jackets.
Here is a very famous village named OSLA there is a temple of “Someshwar Mahadev” trek towards this village, the walk is easy along the side of river. Reach your campsite with beauty all around, enjoy food and stay at tents.


Day 04- Seematra to Har Ki Dun (3645 m) (7 km) (4/5 hours)


Have your breakfast early at Seematra which is 7 km away from here, start your trek with packed lunch to “Har Ki Dun” valley also known as “The Valley of Gods”.


On the trail to Har Ki Dun you will come across many streams from where you can fill your water bottles, ascent slowly there are number of pine trees on the way. From there the snow-capped mountains glimmer from a distance and attracts the eye of visitor, the views there are fetching and captivating.


This area is home to a number of animals and birds, colorful flowers bloom making this place more beautiful, spotting Himalayan birds is a delight as they look adorable. Now, as you go further the climb gets steep when you cross this region you will see Har Ki Dun a field all covered by snow which is divided by Karmanasha stream.


This valley looks divine with exotic views and inherent beauty, from there you can have amazing views of mountains standing tall. Swargarohini from here looks the most beautiful. The environment of this place is soothing and peaceful, it is believed that Pandavas ascent to heaven was through this idyllic valley.


Your campsite for today is this ideal place, spend your night in the divine aura and have your food in tents.


Day 05- Har Ki Dun to Ratta Tho (4105 m) (7 km) (4/5 hours)


The other name of Ratta Tho is Lal Patthar. You can reach there in 4 to 5 hours because the distance is 7 km. On the right of the trail Har Ki Dun Ganga flows.


The valley is an ascending one, the path is muddy after crossing this section you can see a wide meadow present on other side of the river. Now trek on the trail and Maninda Lake will be visible, after a short hike a green meadow will welcome you.


Reach Ratta Tho it lies just before Borasu glacier. It is a wide field with many flowers blooming, this campsite is windy because of its high altitude. So wear proper clothes to keep yourself warm. Setup your camps here and comfortably stay in tents.


Day 06 – Ratta Tho to Upper Lamjunga (4899 m) (8 km) (5 hours)


Today the trek is to Upper Lamjunga and the climb is steep but the views of Borasu pass will not leave your sight. Continue trekking on the muddy trail and follow the right bank of river.


Go through meadows and ahead you have to cross a stream. After crossing the section of meadows trek through the rocky area. The path is a mixture of rocky and grassy with many streams on the way. Cross a ridge it may take 40 to 45 minutes to reach the flat part of land.


Start the steep climb and reach a campsite which is used by the shepherds, it offers magical views of Borasu Pass and the peak both. Ascent towards Upper Lamjunga camp which you will reach after crossing the ridge.


Mountains surround this campsite and Borasu glacier and Borasu Pass both are visible from here. You can find snow here in the month of June also. Pitch your tents and settle for the day.


Day 07 –  Upper Lamjunga to Borasu Pass (5450 m) and Bonga Camp (4470 m) (11 km) (6/7 hours)


Leave Upper Lamjunga and head towards Borasu Pass, the trek is hard and long. Pass through the big rocks on the way, use your equipment to move forward. Ice axe is very important to cut the snow and move further.


Start climbing the sheer ridges, crossing them would not be easy because of the big rocks. After three hours of hike you can reach Borasu Pass. From there you can see the all-white mountain peaks, snow fields and glaciers.


The views of Bandarpoonch, Black peak, Har Ki Dun and Swargarohini are rewarding. Start the descent, you may need ropes for it or slide down until you reach the levelled part. On the way see frozen waterfalls and start ascending to Bonga campsite from there you can see Bonga peak.


After crossing a stream reach a blooming meadow, this campsite looks perfect because of the wide green meadows and clear streams around. The mountains look amusing covered in snow. Pitch your tents and settle for the day.


Day 08 –  Bonga to Chitkul via Rani Kanda and Drive to Shimla (3450 m) (13 km) (6/7 hours)


Start through the trail which has many loose rocks and is muddy. Follow the stream and after crossing it you will trek through a rocky terrain. There are many streams on the way.
The trail becomes levelled and temporary settlement of shepherds can be seen there. Go through a meadow a stream flows through it, now the forest section starts at the end of it Rani Kanda comes into sight.


After some descents you can reach Rani Kanda. After a short break, leave for Chitkul village. The trail is well maintained, cross bridges to move ahead. It has beautiful houses of wood and green fields which are used for cultivation. Vehicles will be arranged from Chitkul to Shimla.

ATM Point and Mobile Connectivity: –

ATM POINT – Purola is the last ATM point.

Mobile Connectivity –

Your device will receive signals at Purola. At Sankri your device can receive BSNL and Vodafone signals but the connectivity is not good. There will be no networks ahead so finish all your important work and calls before starting of the trek.

The most common question asked is “What things to carry on a Trek?”


First of all trekkers must bring the documents mentioned below –

  1. Government ID proof, carry original and a photocopy of any of these – (Driving License, Adhar Card, Pan Card, Voter Id etc.)
  2. Medical certificate by a doctor
  3. Risk certificates


Foremost Requirements

  • Strongly built Trekking Shoes
  • Backpack (50 to 60 liters)


To reduce your expenses HPMA offer trekking items on rent at nominal prices. Make a special renting request before the trek to get trek gear on rent.


Things you can get on Rent

  • Trekking shoes
  • Backpacks
  • Hiking Pole
  • Poncho


Clothes to Carry On A Trek


Carry clothes according to the season. In winters there is chilly cold and in summers the temperature remains cold. (Day and Night temperature varies)




Take at least 2 jackets with you, it should be warm enough to protect you against chilly cold.


-Trekking Pants


You should have 2 – 3 trek pants on a week long trek and take more for longer treks.




At night the temperature lowers and to keep yourself warm and sleep comfortably wear thermals.


-Warm clothes


Keep enough woolen layers and fleece according to the season.


-T- shirts


To avoid sunburns always carry full sleeved t shirts which dries easily and covers neck and arms properly.




They are useful during rain and snowfall.


Necessary Items

  • Water Bottle
  • Gloves (Waterproof and woolen)
  • Cap
  • Socks (Regular and woolen
  • Sunglasses
  • Hiking Pole
  • Torch
  • Toiletry Items

(Toilet paper, Sunscreen, Toothpaste, Toothbrush, Moisturizer, Lip balm, Face Wash, Sanitizer etc.)


(Avoid using wet wipes and sanitary napkins during your trek because they are not biodegradable and cause harm to the environment. If you use them in mountains make sure you bring them back with you.)


Medical Kit is Mandatory


(Use medicines only after prescribed by the doctor) (In case if any problem arises during the trek follow the instructions given by your trek leader because they are certified in First Aid Mountaineering courses.)


Carry These Medicines in Your Medical Kit


  • Avomine for treating motion sickness
  • Diamox for treating altitude sickness
  • Avil to treat allergies
  • Saradon to cure headache
  • Combiflam to relieve pain
  • Crocin for treating fever and headache
  • Digene to cure acidity
  • Norflox TZ and Lomofen to prevent Diarrhoea
  • Betadine (Antiseptic cream)
  • ORS
  • Moov/Volini spray for treating sprains
  • Band aid
  • Elastic bandage
  • Gauze

Har Ki Dun Protection and Mountaineering Association is Making Your Trek Safe




  • We have a team of more than 80+ guides to serve in the mountains and they are professionally trained from Nehru Institute of Mountaineering (NIM) Uttarkashi, Hanifle Centre; Mussoorie and Indian Mountaineering Foundation (IMF) Delhi. We also have Kitchen staff to serve in the mountains and supporting staff goes along to manage the activities.
  • The trek leaders are certified in courses of Mountaineering. On every high altitude trek we carry oxygen cylinders and First Aid kits. We take proper care of everything and make sure you feel safe and comfortable with us.
  • Getting to high altitude can be a problem to some people, the risks are enormous but we minimize them by providing best quality equipment which are changed on regular basis.
  • We do every possible thing to make your treks safe because if you trust and choose us then it becomes our responsibility to make your safety our top most priority. The risk factor can never be abolished but it can be reduced and if you have a heart of mountaineer then this “risk factor” is the real pleasure and we can help you overcome every risk successfully without fear by taking proper care of your safety.




  • Transport from Dehradun to DehradunYES
  • Forest Permit and entrance fee YES
  • Accommodation in HotelYES
  • Accommodation in tents on twin share basis during trekking YES
  • All meals, Breakfast, Day Pack, Lunch, Pack Lunch, Tea, Coffee, Sneaks, Soup, Dinner YES
  • All camping gear including YES
  • Separate Tent, High qualityYES
  • Liner, Pillow, Separate Toilet tents, Dining Tent, ChairYES
  • Dining tableYES
  • your uploadingYES
  • Guide, Porters, cook, HelperYES
  • Mules, Kitchen teamYES
  • Good Experience local Trek Leader guideYES
  • Walkie Talkie, for contact each other’s YES
  • Gaiters YES
  • Micro crampons YES
  • Hiking PoleYES
  • Personal Toiletry ItemsNO
  • Personal Medical KitNO
  • Medical Certificate NO

Note: – Cost of this trek depends on the group size.


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Short Itinerary

Day 01 –Dehradun to Sankri (1920 m) (210 km) (7/8 hours)


Day 02 –Sankri to Taluka (11 km) trek to Cheludgad (2700 m) (13 km) (4/5 hours)


Day 03 –Cheludgad to Seematra (3400 m) (7 km) (4/5 hours)


Day 04-Seematra to Har Ki Dun (3645 m) (7 km) (4/5 hours)


Day 05-Har Ki Dun to Ratta Tho (4105 m) (7 km) (4/5 hours)


Day 06 – Ratta Tho to Upper Lamjunga (4899 m) (8 km) (5 hours)


Day 07 – Upper Lamjunga to Borasu Pass (5450 m) and Bonga Camp (4470 m) (11 km) (6/7 hours)


Day 08-  Bonga to Chitkul via Rani Kanda and Drive to Shimla (3450 m) (13 Km) (6/7 hours)




This board by Forest Department is the appeal for trekkers to only go with local tour operators.

“Most of the people seek adventure and choose this great adventure sport Trekking, but the common mistake committed by the people is wrong choice of a company which further lead to accidents. Now, as you can see the board by Forest Department, they had made an appeal to go with the local tour operators on any trek of your choice because adventure is risky and to reduce these risks no other company can help you like the locals”.

Cancellation Policy


It is wise to make your booking at least two months in advance. In the event of cancellation of trek/adventure activity services due to any avoidable / unavoidable reasons we must be notified of the same in writing. Cancellation charges will be effective from the date we receive advice in writing, and cancellation charges would be as follows.


Up to 30 Days: 90% cost is refundable

Between 21–30 Days: 50% cost is refundable

Less than 20 – No Refund


Deoriatal Chandrashila Peak

It is a great peak in Uttarakhand India, at an altitude of 12083 feet.

Borasu Pass

It lies at an altitude of 5,450 meters and divides Himachal and Uttarakhand.

Nag Tibba Trek

It is the middle trek of Dhauladhar and Pin prajal at an altitude of 9,915 feet.


We would like to introduce our company Harkidun Protection & Mountaineering Association in India that has been in the field of Adventure, Trekking, Tourism, Social Work, Trek in india , for the past 28 years.