Nathu La Pass:
Nathu La Pass is situated at an elevation of 4,310 meters above sea level, and is an offshoot of the old silk route. The flow of tourists is regulated by the government of India as the soil here is shallow and prone to landslides, nevertheless, this is a must visit site as the location is a Hiker's haven, as it offers picturesque views of the valley.

Tsango Lake:
Tsango Lake or Changu Lake, is located on the north of the Nathu La Pass, and is a glacial lake in Sikkim. The lake is situated at an average elevation of 3780 meters above sea level. It falls in the restricted area and hence an inner line permit is required by Indians to visit this place. The lake is considered sacred by the local people.

Kanchendzonga National Park:
Kanchendzonga National Park is also a Biosphere reserve and one of the few high altitude national parks in India. The park is covered with vegetation that includes temperate broadleaf and mixed forests consisting of oaks, fir, birch, maple, willow etc. The vegetation of the park also includes alpine grasses and shrubs at higher altitudes along with many medicinal plants and herbs.

Khecheopalri Lake:
Khecheopalri Lake is a sacred place for both Buddhists and Hindus and is situated in the Khecheopalri village in the west Sikkim district. The name of the lake 'Khecheopalri' was originally known as 'Kha-chot-palri' which means the heaven of Lord Padmasambhava.

Phodong Monastery:
Phodong Monastery was founded by the 9th karmapa in the 18th century. However, the monastery was rebuilt in the 20th century, although the old mural paintings and frescoes were preserved.

Trekking at Mt. Kanchendzonga:
With a monolithic elevation of 8,568 meters above sea level, Mt. Kanchendzonga is the world's 3rd highest peak and the highest peak in India. Located on the boundary between Sikkim and Nepal, the mountain is a trekker's haven and is considered to be one of the most challenging trek spots.