Waterways play a vital role in the geography and daily life of the region.
* **Pachin River:** This vital river flows directly through Naharlagun. It serves as a geographical landmark dividing certain neighborhoods and is a tributary that eventually feeds into the larger Dikrong River. * **Dikrong River:** Flowing nearby, it is a significant water body in the region, offering scenic spots along its banks and supporting local aquatic ecosystems.
