Nearly all seasons of the year except the monsoon wet rainy time of July and August. The best time is spring time where days are clear and fine for views and pleasant walks, chances of rain sometimes in the afternoon. Cold morning and night time, around spring from March to May hills are lively with wild-flowers in seasonal bloom. The next season is autumn from September to November, days are crystal clear for enjoyable walks facing views of beautiful scenery. Cold morning and night time. For this short trek, one can visit in winter times also where most days are clear with chances of snow, much cold morning and late afternoon till night time.

The maximum altitude is 3, 810 m / 10,531 feet high at Kyanjin around Langtang valley, one can reach up above 4,300 m high on the rest day with a hike to Tserko Ri or on top Kyanjin-Ri for the best panorama of the surrounding mountain range and landscapes.

Depending upon from one village to another from simple budget to standard lodge, most lodge with a small nice and clean room with twin beds, the bath and toilets are a common, extra charge for hot bathe or shower. Some lodges high up at Kyanjin have good rooms facing views of snow mountains. Few lodges with attached bath on route trek. Foods are best in nearly all lodges with a comprehensive food menu from Nepali, Tibetan, and Chinese to continental as well Indian.

All treks in Nepal require trekking permits TIMS (Trekking Information Management Systems), which is to be obtained in Kathmandu, where your trekking agents will obtain for you. The other permit is the entrance of National Park, to be obtained at Dhunche town before entering the park premises.

Depending upon how sick is the person, for normal sickness having some medicine prescribed by your doctor, like minor wounds, fever, and headache. For serious person needs to be brought down to a safe area for treatment and rest.

If the person is very serious with high altitude or another sickness, needs to be evacuated by the fastest transport or using helicopter services to bring the sick to Kathmandu hospital. The expenses should be covered by travel and medical insurance.