Jhalong is a small village situated on the banks of river Jaldhaka, near India-Bhutan border in the Kalimpong subdivision of Darjeeling district in West Bengal, India. It is just 99 kilometers from Siliguri, towards Bindu. A Hydro Electricity Project is constructed on the Jaldhaka River and it acts as a bridge for crossing over to Bhutan.

It is the first hydroelectric project in India and the population developed based on this project. It is a major attraction in this area. Bird lovers can enjoy a varied collection of hill birds includes Kingfisher, Brown Dipper, Redstart, Laughing Thrush as well as migratory waterfowl here.