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Risks and Precautions

Risks and Precautions During Chadar Trek

When you trek in the Himalayas where you trek above 2800 metres / 9200 feet where it is common for Trekkers to experience some adverse health effects due to the altitude – regardless of your age, gender and fitness. It even happened to Sir Edmund Hillary and when you are doing Chadar Trek it’s even worse because of extreme temperatures

A cute Mountain Sickness


Extreme Temperatures During Chadar Trek

99% of trekkers coming to Chadar Trek have never experienced anything like this before! Temperatures below minus 25 degrees is very extreme and an experience in itself. It adds up to the charm of the treks and the achievement of completing it. However, cold temperatures can be really dangerous too. It can easily lower your core body temperature and get you in a life threatening situation, if the body is unable to cope up with such harsh climate. It can cause hypothermia and even leave you unconscious in some cases.

This problem has to be tackled by a two-way approach – physical and mental. Physically we must keep our body warm enough despite the outer cold temperatures. For that, one, we must dress accordingly (both heavy and in layers), protecting extremities from cold winds and temperatures, keeping one hydrated and fed enough along-with slow yet continuous physical activity. During night time, when the temperatures dip quite low, we must pack ourselves inside sleeping bags good enough for those temperatures. Any discomfort should be shared directly with the trek leader. Apart from that, we must prepare mentally for the challenge. We should tell ourselves that it’s going to be tough and easy also if we face it well!


Chadar Trek is unique and beautiful. But this uniqueness comes with attached risks. Ice sheet if not enough thick then can become a problem. Same as above two, this risk in extreme cases can be very dangerous. The water in the river is so cold that surviving even a few seconds inside is difficult. The water can cause hypothermia and breathlessness. And if you’re unable to hold to the ice-sheet and go inside it then it can turn fatal. For this, we have professional trek leaders with fair experience of the prevalent conditions. Also, we have a local guide and other support staff that continuously help in the judgement and ensure risk free trek.

PLEASE NOTE that if ever our team fears any risk, they might look for a safer route that goes along the river to avoid stepping on thin ice. Ice and Chadar formations vary every year so the final call of the Trek Leader and staff will be final and shall be adhered to by all.

So, with all these risks and more, Chadar Trek is certainly a challenge and a big achievement to complete. However, as we take all these into account while preparations and executions, Chadar Trek is certainly very doable and fun!

Before your Trek in Himalayas

Some pre-existing medical conditions are known to severely worsen at high altitude and be difficult to adequately treat on the ground, leading to more serious consequences. It is imperative that you discuss your pre-existing medical condition/s with your doctor. We understand certain medications are reported to aid acclimatizing to high altitude. Please discuss these options with your doctor.

During your Trek:

While our trek leaders have basic first aid training and are aware of the closest medical facilities, it is very important that you are aware of the cause and effects of trekking at altitude, monitor your health and seek assistance accordingly.

Altitude Sickness (AMS) what is it ?

Altitude sickness is the reaction of the body adjusting to decreasing amounts of oxygen. Normally, the higher the altitude, the less oxygen available for the body to carry on normal functions. Altitude sickness most commonly occurs from above 2,800 metres (9,200ft) but this is different for everyone – there is simply no way of knowing your own susceptibility prior to being at altitude thus it is vital you monitor your own health. Symptoms may be mild and subside/go away after a day’s rest, or if it is ignored it could lead to death.

Symptoms of altitude sickness…

Symptoms can appear within 1-2 hours although most often appear 6-10 hours after ascent and generally subside in 1-2 days as the body adjusts to altitude. They may reappear as you continue to go higher. Symptoms usually occur gradually & can be one or a combination of the following:


2.Loss of appetite

3.Disturbed sleep or drowsiness





8.Swelling of hands, feet & face

If the body is unable to adjust to altitude these symptoms will persist and, if they are left untreated, altitude sickness may progress to High Altitude Cerebral Edema (HACE) or High Altitude Pulmonary Edema (HAPE). Both can be fatal if ignored.

Symptoms of HAPE (fluid on the lungs):


2.A dry cough, developing to a wet one with blood-tinged discharge or saliva.

3.Tightness in the chest & blueness/darkness of face, lips & tongue

4.Low fever up to 38°C/100°F

5.Severe fatigue, progressing to coma

HAPE can occasionally develop without the usual symptoms of AMS – a telltale sign is breathing does not return to normal when at rest, it remains shallow, rapid and panting even after an extended period of inactivity, often accompanied by a cough.

Symptoms of HACE (fluid in the brain):

1.Severe headache symptoms not relieved by painkillers or lying down

2.Confusion, disorientation & drowsiness


4.Loss of balance or coordination

5.Blurred or double vision/retinal haemorrhage

How to avoid altitude sickness ?

Certain medical conditions (such as respiratory disease) or medications (such as sleeping pills) can increase the risk of altitude sickness – it is important that you inform your trek leader of any medical conditions or medications before ascending to altitude.

You can help your body to acclimatize and avoid altitude sickness by:

1.Drinking plenty of water – at least 4 liters per day on top of other forms of fluids such as tea or soups

2.Avoiding alcohol, tobacco and substances that can interfere with good delivery of oxygen to the body or cause dehydration.

3.Eating small, frequent meals high in carbohydrates.

4.Taking it easy or have a regular break. Walk at a slower pace than you would at sea level and avoid over-exertion.

Treatment of Acute Mountain Sickness (AMS)

Most Trekkers are able to successfully acclimatise by following the previously mentioned guidelines. However, there are instances where medical treatment is required. Ultimately, the best treatment for acute altitude sickness is to descend to a lower altitude. There may be times when your trek leader makes the decision that you or a member of your group is at risk of serious altitude sickness and for safety insists that you cannot ascend further – please respect that they are within their rights to do so and are making that decision in the best interests of your health and well-being.

We recommend you to keep track of altitude related symptoms you may experience by completing the below chart from the first day you experience any altitude sickness symptoms. If you are experiencing any altitude sickness symptoms, we encourage you to discuss them with your leader straight away so you both can follow your acclimatization progress. However, should you rate the severity of any symptoms at 7 or more, or the symptoms continue/worsen after the initial 1-2 days, please inform your trek leader without delay, so that we can seek the advice of a trained medical professional if necessary.

Everyone will have a different perception of the severity of their symptoms, the key is to personally assess whether your symptoms are improving or worsening. A rough guide would be:

1 = Very minor symptoms that are causing no discomfort 5 = Moderate discomfort 10 = Extreme discomfort