High passes trekking trails in Nepal are for the adventure trekkers. There are numerous high pass routes in the Nepalese Himalayas. If you have done some trips above 5000 meters like Everest base camp earlier, you may try these adventure treks.
There are many high pass routes where you have lodges or you need to bring your tent and food. The information provided here is about those routes which have lodges to stay.
