Namchi is fast becoming a major tourist spot and pilgrimage centre. The Namchi monastery, Ralong monastery and Tendong Hill are important Buddhist pilgrimage centres. The world's largest statue (at 118 feet) of the Buddhist Padmasambhava, also known as Guru Rinpoche, the patron saint of Sikkim, is on the Samdruptse hill (The Wish Fulfilling well) opposite Namchi. It was completed in February 2004. It is also said that the Samdruptse hill is actually a Dormant Volcano. Myths say that the buddhist monks have been going on top of the hill and offering prayers to the volcano to keep it calm. There is also a Rock Garden just few kilometers up from the town on the way to Samdruptse. Rock Garden offers varieties of Flora. It is a recreation and picnic spot. It offers a magnificent view of Mount Kanchendzonga (The Third highest Peak in the World).

Statue of Guru Rinpoche, the patron saint of Sikkim. The statue in Namchi is the tallest statue of the saint in the world at 36 metres (120 ft).

A helipad is located 5 km away from town at an altitude of around 5000 fts. From here one can get the most panaromic view of Mt. Kanchanzonga with the surrounding mountain a part of Darjeeling Kalimgpong and the rolling plains of Bengal. The visitors can savour the breathtaking view of temi tea garden the one and the only tea estate in the state which produces top quality tea in the international market.

Near the town, Sikkim's sole tea estate — the Temi Tea Garden is situated. The tea carries are premium the world over and costs around Rs. 200/- a kg. The tea is marked by its exotic odour and flavour.

In the month of February, the Namchi garden hosts it annual flower show. The flower show is the largest in Sikkim with flowers in a riot of colours. The prime attraction of this show is the display of exotic and rare orchids.

One of the highlights of the town is the football stadium – the Baichung Stadium built by the Sikkimese government in honour of its most famous citizen, footballer Baichung Bhutia. "The Gold Cup" football tournament is held in Bhaichung Stadium almost every year. Football teams from all over India, Nepal, Bangladesh and Bhutan vie for the honour which draws lot of crowds from all over Sikkim. Namchi is also the base of the chief minister of Sikkim, Pawan Kumar Chamling.

Historically, Namchi was the place where Pende Ongmoo, the trecherous princess who poisoned one of the Chogyals of Sikkim, was caught and killed for her deed. Legend says her spirit still haunts the foothills of Ghurpisey.