Any kinds of Insurance i.e. Travel Insurance or Health Insurance or any other kinds of assurance of guarantee of compensation for any kinds of loss, damage, illness or death during travelling is HIGHLY RECOMMENED to have along to reduce the possibility of heavy or sometime shocking expenses.
Please note that WE DO NOT SELL TRAVEL INSURANCE for foreigner as they should bring it or arrange it before they can arrive in Nepal. Or else, there are many insurance companies all over the world which could be bought online so you can still choose and buy the best comprehensive protection plan that should be ideal for the trip that you are attempting. It is almost MANDATORY to have a Travel Insurance when you plan your trip to Himalayas above 2500m/8202ft. And securing travel insurance helps to set peace on your time which eventually led successful trip of adventure.
It is best to buy the Insurance which could normally covers,
Out of various adventure trekking routes, the elevation exceeds 4000m normally in most of the routes and it is always best to have to insurance which could cover the highest place you want to reach. You may not need emergency helicopter rescue in every high elevation trekking but it is best to make sure that you have it covered and you are not worried.