If you have time, do this. You get to complete 4 treks in just 21 days. The guide they provide for your trek are superbly amazing. They do the exact work for your comfort, and satisfaction. They also suggest the best food for you to have for your dinner and breakfast. Admitedly, it is challenging to cross three high passes in Everst region. You will need to consult with Naba and his guide staff to make sure about this adventure and they will be there to help you without any hesitation., So just ring Naba and you will know.