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Important Information

We have listed information you may wish to know before arriving in Nepal.  If you have not covered any question you have please do not hesitate to contact our staff.

Visa Information

For up to date visa requirements please contact your Nepal Embassy in your relevant country.  There are two types of visas available:

Visas can be obtained from either the Nepalese Embassies/Consulates in your country or on entry into Nepal (either at the airport or at the border crossings). You will need your passport, 2 passport-sized photos and the visa fee in US dollars.

Once again for further information contact your Nepal Embassy or one of our staff at Himalayan Odyssey Trek.


It is strongly suggested that your insurance policy covers helicopter evacuation as you will be in remote parts of the Himalayas.  If you are injured or fall ill the only way out is by helicopter or being carried out.   Unlike western countries were emergency helicopter retrieval can be of little or no charge to the patient, in Nepal it is user pays.  Remember this is a 3rd world country, please do not take insurance coverage lightly.  Without it, your trekking holiday may become expensive beyond your expectations.

Please contact our staff for further information about Helicopter Evacuation.

Altitude Sickness

Normally, altitude sickness starts from 3,500 meters/11800 feet and Acute Mountain Sickness (AMS) occurs when the body does not adapt well to the lack of oxygen present at higher altitudes.

What is Altitude Sickness?
The body tries to adapt to having less oxygen.  It does this by increasing the rate and depth of breathing, as well as affecting your heart rate. Fluids accumulate in between the cells in the brain, the lungs or both, and these symptoms that can either be mild or severe.

Mild symptoms include headache, loss of appetite, nausea, fatigue, insomnia and dizziness. These symptoms are usually abate by spending one or two extra nights at the same altitude.  The guides will monitor you, but if your symptoms become worse you will have to descent to lower altitude.  A guide from Himalayan Odyssey will of course accompany and stay with you throughout this time.

Serious symptoms of AMS show as increased tiredness, severe headaches, vomiting, loss of coordination, shortness of breath and coughing fits. These extremely dangerous symptoms are called High Altitude Cerebral Edema (or HACE). They can lead to unconsciousness and death within 12 hours. Increasing shortness of breath, cough and tiredness may also be signs of High Altitude Pulmonary Edema or HAPE. This condition can be fatal if unchecked.  Our guides are familiar with all symptoms of AMS, HACE and HAPE, please take their advice seriously as it will save your life.

Please avoid taking the following:
• Alcohol
• Sleeping pills
• Pain medications only in modest doses and please mention to your guide that you are taking medication

It is extremely important to drink at least 3 litres of water a day and always listen to your guide – he is experienced and may notice symptoms before you realise yourself.

Gajendra and his team are proficient in first aid and carry an up to date kit with them on all treks.

Diamox can to a certain degree prevent altitude sickness, but check with our staff when you make your booking – remember they have more experience with trekking at high altitude than your local GP.

Do's and Dont's

  • Always ask if it is OK to take someone’s photo.
  • Show respect when visiting holy places
  • Please don’t give money and sweets to children as this only encourages begging. 
  • Respect  the local culture
  • Dress with modesty, don’t flash around too much skin.  Observe how the locals dress.



Still Have More Questions?

If you have absolutely any further questions or queries, please don't hesitate to get in touch.