What is the altitude of Everest Base Camp Trek?

The maximum altitude of the Everest Base Camp Trek is 5645 m at Kala Patthar and the minimum is 2800 m at Lukla. Although the main Everest Base Camp is at a staggering elevation of 5360 meters, you won’t be able to see the Everest peak properly.

For that, you can climb further up from Gorakshep to Kala Patthar which is at an altitude of 5645 meters and shows an unobstructed view of the Everest Peak.

Day wise altitude:

-Day 1: Kathmandu 1400m

-Day 2: Lukla 2800 m, Phakding 2652 m

-Day 3: Namche Bazaar 3440 m

-Day 4: Acclimatization at Namche Bazaar

-Day 5: Tengboche 3860 m 

-Day 6: Dingboche 4360 m

-Day 7: Acclimatization at Dingboche

-Day 8: Dughla/Thukla 4620 m

-Day 9: Lobuche 4940 m

-Day 10: Gorakshep- Everest Base Camp- Gorakshep 5170 m, 5364 m 

-Day 11: Kala Patthar, Pheriche 5645 m, 4940 m

Common Altitude related issues

AMS:
Acute Mountain Sickness is a condition in which there is a kind of uneasiness in the body due to low air pressure and lack of oxygen at a high altitude. As you walk up towards the higher terrains, the air pressure keeps decreasing and the level of oxygen also decreases simultaneously. It is known that the human body can adjust in such conditions as well. But the catch is, it needs some time to get used to these new circumstances i.e. low air pressure, low level of oxygen and of course, high elevation and sub-zero temperatures.
This is what acclimatization means. One needs to spend a while- at least a day or two in the higher altitudes to get used to the conditions there. And generally, the body is okay till 2400 meters above the sea level. That is why, as your trek starts from Lukla which is at a whopping 2800 meters of altitude, the acclimatization process will start from day one itself.   

Sometimes, mild symptoms may surface and it all depends on person to person how his/her body reacts to the high altitude and the lower oxygen level. The common symptoms can be headache, nausea, dizziness and lack of appetite. If these symptoms persist, let your trek guide/ leader know immediately. If you are trekking on your own, then descend to a lower altitude and wait there till your condition gets better.
Some people even swear by the notion that drinking hot cocoa (Dark chocolate) tends to reduce the effects of AMS. Even after trying all these solutions and remedies the problem still continues and is not taken care of quickly, the person has to be rescued back immediately to a lower altitude by a helicopter for immediate medical help. In some rare cases, it can prove to be fatal as well. 

Cold:
The sub-zero temperatures at such a high altitude are unavoidable. On your way, you are bound to encounter with the cold temperature and it would keep on decreasing as you trek up and up. Sometimes, you may catch a cold at such high altitude and low temperatures. You should be well prepared for this by keeping cold-related medicines like inhaler and Crocin.
To reduce your suffering from cold, you should pack multiple layers of appropriate pieces of clothing like an inner layer of a warmer, breathable and wicking t-shirts, fleece jacket and a thick & warm waterproof outer jacket. Other than these, a beanie to cover your ears is also vital to prevent cold air from entering your ears. Another part of your body which is the most exposed is your hands. Remember to cover them up with warm fleece gloves and if required, another thicker, waterproof gloves on top of it to prevent cold entering your body.  

Cough:
As you advance in your trek and reach the Kumbhu region, you may start coughing a lot. This is mainly due to the dry air and irritation in your bronchial tube. Sometimes it may get really hurtful and irritating. You should also not breath with your mouth open. It tends to worsen the situation. To reduce the irritation and hurt, try breathing humidified air by wrapping your nose with a scarf, a mask or a buff.
You may also want to keep yourself hydrated in this arid region by drinking a lot of water and fluids. Amongst various liquids and drinks, avoid coffee and alcohol at high altitudes as these tend to dehydrate your body. Consuming candies and cough drops will also help to some extent. 

Shortness of breath:
At times, you will feel that you are not able to breathe properly. This may be due to fast walking at the high altitudes or not getting acclimatized properly to higher elevations or in general low levels of oxygen in that region.
For avoiding such a situation, try to take your time in getting acclimatized as you reach the higher regions while on your trek. You don’t have to be in a hurry to reach the base camp before others. This ‘race’ might bring you in big trouble. Do not ever overestimate yourself even if you have trained well for this trek.

It is of utmost importance to take your time while ascending. If you even slightly feel uneasy or think that you are not able to breathe properly, then take a break, make yourself used to the environment around you and then continue to walk up slowly as and when you feel better. Even after resting you feel that you are short of breath, then seek immediate medical aid. 

It is also necessary that you tell about your situation to your trek leader so that he/she will keep on checking up you and give quick medical assistance if something major happens. The trek agencies are usually equipped with first aid kits for their groups. They even carry oxygen cylinders and masks for breathing-related emergencies.  

Lack of coordination:
Sometimes, at a high altitude, you get a feel that you are not able to walk properly or you are not able to judge and coordinate your steps while trekking. This might be majorly due to lack of oxygen and the effects of high altitude. Try resting for a bit and descend down immediately to make the situation better. 

How to deal with Altitude Sickness?

Altitude sickness is one such thing that cannot be avoided while hiking for the Everest Base Camp. The general course is, if one ascends slowly and steadily, he will get acclimatized adequately to the higher altitude and will have the least amount or no problem of Altitude Sickness or Acute Mountain Sickness (AMS). Avoiding to cover an altitude of 300-500 meters from the previous day is also a good measure to bypass from succumbing to the severe altitude sickness.

Many trekkers may suffer from varying levels of this mountain sickness. Some prevent it by consuming medicines beforehand, some have minute indications like tiredness, headache, lack of sleep, shortness of breath, cough, etc. and some might suffer from higher levels of these symptoms. To prevent this sickness, trekkers usually carry special medicines like Diamox with them. Diamox generally doesn't have any side effects from consuming it beforehand but you should consult a physician to prevent any mishaps during the trek.  Gradual ascent is the key to avoiding altitude sickness. To avoid sickness, you should not trek up more than 500 meters per day if you are above the altitude of 2400 meters. 

How to get acclimatized with high altitude on the Everest Base Camp Trek?

The basic rule for getting properly acclimatized to the high altitudes of the Everest Base Camp trek is to hike up steadily and gradually. Starting from Lukla, the altitude is already on the higher side, so it is necessary for you to get acclimatized to the weather conditions before even beginning the trek. After that, as you hike up, remember to not trek beyond 500 meters of altitude each day.
This much ascent is enough and is usually the limit to get used to the weather slowly. If you climb up too much too fast, there is always a risk of getting prone to the altitude sickness and you may have to descend down immediately to reduce the symptoms and get better before resuming the trek. 

Along with this, remember to eat enough carbohydrates such as rice, cookies, energy bars, etc. as they will be the major source of energy for you. You should never drink alcohol or even smoke, as it will deter your stamina, dehydrate your body and can be the reason of Acute Mountain Sickness. Instead, keep yourself hydrated all the time to replenish the water and necessary salts and electrolytes lost during sweating. 

A lot of trekkers follow a method called climb high, sleep low. In this, you should ascent up during the day and come back down a little bit for sleeping. This will ensure that you get used to the weather conditions within the limit while trekking and at night, you can lower the risk of getting prone to the altitude sickness by sleeping at a slightly lower altitude.

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