Singtam is a town which lies mostly in Gangtok District and partly in Pakyong District in the Indian state of Sikkim about 30 kilometres (19 mi) from the state capital Gangtok. The town lies on the banking of the rivers Teesta and Ranikhola, which join together just below the town. NH10 and NH510 meet in Singtam. The Indreni Bridge and Sherwani Bridge over the river Teesta are in the town. Singtam District Hospital, the district hospital of Pakyong District, lies at Golitar, Singtam.

Dikchu is a small town in the Gangtok District of the Indian state of Sikkim. The town lies at the confluence of the Dikchu River with the Teesta River and is the site of the 96 MW Dikchu River Hydroelectric Power Project as well as 510 MW Teesta V Hydroelectric Power Project. Dikchu is the last town of Gangtok District that lies on the North Sikkim Highway connecting Singtam to Chungthang, after crossing the town we enter Mangan District. Small market north of river Dikchu also lies on Mangan District.