Nepal’s topography provide more than 250 peaks over 20,000 ft. (6,096 m) above sea level thus offer wide arrays of trekking options, it generally depend on your interest, amount of time at your disposal, and money you can spend, your physical shape and experience you had. For those with limited time , the best trekking routes would be Langthang- Helambu trek, north of Kathmandu and part of the Ananapurna region, north of Pokara. For those with adequate time, trek in Everest region or the full Annapurna circuit can be rewarding. A more difficult trek is the Kanchanjunga area trek in the far-eastern Nepal. A good trekking book is recommended if you want more details on treks.