The Himalayan range of mountains, the youngest of all the mountain ranges in the world also happens to be the highest in the world. This aspect makes them the hot spot for hardcore adventure junkies who are invariably on the lookout for some high adrenalin adventure sport of trekking.
Incidentally, Himachal also offers three different levels of trekking spots in the Himalayas namely easy to moderate to high adrenalin treks, through low scrub grounds, paddy fields, crossing fast-flowing hill streams, ascending mountain paths, through deep woods of deodar, pines, oaks, or from under the flowering rhododendron trees, mountain top pilgrimage walks or crossing over glaciers etc.
Some of the most popular top-of-the-shelf trekking routes in Himachal Pradesh, are the Chandratal-Baralacha trek, Indrahar Pass trek, Bhawa Pass trek, Friendship Peak trek, Beas Kund trek, Hampta Pass trek, etc are just some of the trails over high altitude mountains, and the associated Passes.
From the safety point of view, you need to bear in mind that you essentially need to seek the assistance of qualified and government-certified operators who are also in a position to provide you with the necessary equipment, porters, guides, maps, etc.
Moreover, you are likely to run into various government and private rest houses en route to some of the famous trekking trails. Rest houses of the PWD, State electricity board, rest houses of the forest departments, etc all can be booked well in advance through such operators or by directly contacting the concerned government office well in advance, for your convenience while trekking.
Top 13 Trekking Spots in Himachal Pradesh