In your short Trek in Nepal, Trekking Guide can be taken as compulsory. Your Trek Can be more productive, memorable and informative if you hire one. You will get information about every simple things that you encounter in the way. You will get knowledge and information about all the villages and mountains too. If you are familiar and know a lot about Nepal and have good past experience then you can Trek alone. Having a Trekking guide can be your best decision! As they will be always with you and its sure you will be more safe and can come very helpful in case if emergency situation arises.