On day 1 of your Gangtok tour go for city sightseeing tour. Hire a local cab for 10 points site seeing. The charge will be INR 3000 to 3500 for a day. The main spots to visit are:
Rumtek Monastery: Rumtek Monastery is a gompa located near Gangtok. Currently, it is the largest monastery in Sikkim. It is home to the community of monks and here they perform the rituals and practices of the Karma Kagyu lineage.
The heart of the city is MG Marg. It is the main street of Gangtok and is a great place to hang around. The street is India's first litter and spit free zone. No vehicle is allowed in this street. You can also enjoy shopping while walking through this road. Every year, in the month of December Gangtok food and culture festival is held here.
It is one of the most beautiful places in Gangtok. The park surrounding the falls area is well maintained.
Take a ride of Gangtok Ropeway to get a bird's eye view of the city.
It is a temple of Lord Ganesha located 6km from Gangtok town. Visit
here to pray Lord Ganesha and also to enjoy the enchanting views of the surroundings from the viewing lounge with glass panel.
Tashi View Point:
It is located 8Km away from Gangtok town and offers a stunningview of Mount Kanchenjunga snow peaks on a clear day.
The famous Hanuman temple is popular for its wonderful serene ambience and a viewing area that offers spectacular view of Kanchenjunga range.
Namgyal Institute of Tibetan Technology:
It is the one of the main Tibetan Institutes of the world. You can see various rare Tibetan and Sanskrit manuscript here. The place is also
known for beautiful Thangka paintings.
This is another famous site to visit near Gangtok.