Halesi trek is one of the popular, religious and tourist places which situated at the eastern part of Nepal. It is located Khotang district in Sagarmatha zone and situated above 3100 to 4737 fit, from the sea level. Khotang Diktel its headquarter which lies 8 miles away from headquarter in the western part in range of 8635 to 8640 east longitude and 2710 to 2014 north latitude. The main attraction center of Halesi is the temple of Halesi Mahadev the main religious place of both Hindu and Buddhist is also known as a eastern Pasupati and it is the most important for inbound and outbound tourists. The invasion of different religious people as well tourist are seen there from the cultural, religious and tourism point of view the impact of Halesi Mahadev can be seen not only in Nepal but also America, Japan, France, India, Bhutan, and others several countries as well. There are four big rocky Coues and many others Coues too. Beside this many temples, monasteries and other several religious places can be seen as well. There are Basasthan, Garvadwar, Dharmadwar, Janmadwar, Papdwar, some cause of Halesi temple. Mahadevthan, Bhairavthan, Parvatithan is some of temple. Halesi mahadev is one of the most interesting place of the world. As it lies in the middle of the thick forest, amazing twittering sound of birds can be heard. Seen flower like rhododendron. There is four times ceremony in the year and worship done daily. The ceremony such as Balachaturdasi(mansir) and Shivaratri(falgun) Ramnawami(chaitra) and Tij(bhadra) occurs. In the Halesi mahadev. The door of the mahadev temple is faced towards east which seems like half moon shaped. There is a river infront of the temple but later on got dried leaving just mark. Especially status of lord shiva and Goddess parvati are placed in the temple. There is a cave with thousands of monks behind temple. Pure water is a power of god just above Shivalinga (stone image of lord shiva). There is a religious shell made up rock towards the door which sounds in the whole temple when it is blown.