Camping and adventure are synonyms between Nepal and Himalayas. Nepal has a hidden valley in the Himalayas where is not civilization yet too because of landscape and lack of resources. Camping on the trip is not easy but it has so much fun. If you have a camping trip on a mountain, you will touch with natures Himalayas all the time.
Defiantly for a big adventure, you need camping in Nepal such as Dhaulagiri trek, Kanchanjanga trek, sarebung trek, Makalu trek. This kind of trip memories an old and traditional lifestyle of living, get a golden opportunity to experience a traditional farming and village lifestyle.