There are several ways to chose a trek. Your trek depends on how much time you have in hand, how much funds you have, what kind of experience would you want to get and what intensity trek are you looking for. Here are few things that determines trekking destinations in Nepal.
Time: There are trekking routes in Nepal which could last from 3 days to 3 months. It's not about how much do you want to see but how much time you have to see things. The first factor deciding on where you want to be is how much time you have in your hand. If you with to travel to the Everest Region, even the shortest trek would be of a week long. Whereas, in the annapurna the shortest trek could be as short as 3 days.
Experience: If you are in Nepal to see the highest mountains in the world and your travel is all about the landscape, you may want to see Everest region. If you would want to experience a little bit of culture along with the mountains then you may like the Annapurna. If you would like to walk away from the crowd and see undaunted cultures and way of life you would love to trek to Manaslu or Mustang.
Trekking intensity: There are treks which rockets sky high to an elevation of over 5000 meters but it is not your trek if you do not have previous experience of high altitude trekking. There are leisure trek which demands no more than just regular walk like Mardi Himal Trek or Ghorepani poonhill trek.
Budget: Your budget is an important factor determining your trekking destination in Nepal. Some high budget treks are Rara lake trek, Shey Phoksundo trek, Dolpo trek which requires a lot of prior planning are high budget. On the other hand there are treks like Gosainkunda trek, Langtang trek, Ghandruk, Ghorepani poon hill, Siklis, Mardi himal which are low budget trekking route.
These are some of the many ways on how you would chose your trek in Nepal. Please write to us if you need any additional help to chose your trekking destination.