Lord Shiva

In Hinduism, Lord Shiva is the god of all gods. He is amongst three Trinity gods who is regarded as destroyer god. He is the superior god among the trinity gods Bramha and Bishnu.
Lord Shiva is described as the one who has long hair, wearing necklace of snake. He is believed to wear clothes of tiger's skin and carry Trishul as his weapon.
It is believed that Lord Shiva live in Himalaya known as Kailash Parvat which is believed to lie in the mountain region of Nepal.
The tales of Lord Shiva is found in Purans (ancient old books of Hinduism). He is called by chanting the mantra "Om Nama Shivaya". His other names are "Kailash Pati" means to owner of Kailash, Mahadev etc. He has a wife goddness Parvati and two sons, Kumar and Ganesh. They are also very respectful gods in the Hinduism.
Some of the pilgrimage Lord Shiva in Nepal are Pashupati Nath Temple in Kathmandu, Goshaikunda in Rasuwa etc.

Maha Shivaratri - A Night of Lord Shiva

Shivaratri literally means the night of Lord Shiva is one of the major festivals of Nepal.  On this occasion 

hundreds of thousands of followers from different parts of Nepal and India come to the Pashupatinath temple – one of the holiest shrines of the Hindus in Kathmandu to worship Lord Shiva on his birthday. Lord Shiva , the god of the gods is considered as the guardian and protector of everything that exists. Colorful and naked sadhus, the wandering sages who emulate Shiva with ashes over their bodies, give lectures to disciples, meditate, or practice yoga. Since, Lord Shiva is fond of  "Gaja" , "Bhang", "Dhaturos"(Some common Narcotics) it is social to take these on this special occasion. Whereas overdose is not accepted. Special attendance camps are set in the courtyards of the temples situated at the opposite bank, where non-Hindus are also free to wander.  The curious can witness some rather interesting yogic demonstrations there.  Children collect donations from passersby since the morning to buy necessary items to prepare holy meal and bonfire during the evening.