The risk of altitude sickness is present on this Gay trek to EBC, but it is low. Always be truthful about your situation. If you get it, immediately descend. While altitude sickness is unpredictable, certain conditions can cause it. Altitude sickness can be caused by various factors, including dehydration, excessive drinking, and poor eating habits. As a result, it is best to be aware of these. To improve your chances, do some elevation training beforehand. In the event of an emergency, rescue operations are available.