If you want to go trail running in Nepal somewhere a little more remote that the common trekking areas in Nepal, think about the Kanchenjunga trek route. It’s beautiful, of course, but tricky to get to and the trails are generally more difficult than other places.
Thanks to Himalayan Map House for providing the map below for your reference. Click the image of the map below to open it in a new window. You can easily buy a laminated GHT trekking map for Kanchenjunga by clicking the link below.