Takchang (Takshang) is a village near Pakyong in Pakyong District, India. Takchang is 30.7 km from Gangtok and the population of the village is nearly 550-600. Ethnic Nepali and Lepcha are the main settler of this village. Etymologically the word "Taktsong" is derived from Lepcha (Rong) language. The word tak means "Tiger" and tshong means "House", translating to "House of a Tiger".

River Rangpo is a river in the Indian state of Sikkim. A tributary of the Teesta River, it originates from Menmecho Lake near Dzuluk and flows through Rongli and Pakyong subdivision villages in Pakyong District towards Rorathang, Kumrek and Rangpo. The river demarcates the border between Pakyong District of Sikkim and Kalimpong district of West Bengal from Rorathang to Rangpo. At the town of Rangpo, the river joins river Teesta. The Rangpo is the third largest river of Sikkim after Teesta and Rangeet. Atal Setu Bridge the longest roadway bridge of Sikkim is over River Rangpo.