Kolasib town is the administrative headquarters of the Kolasib district. Kolasib town is a quaint hill station that provides pristine and peaceful atmosphere all year round. Not far from Kolasib town about an hours drive is a mesmerizing man made lake Serlui 'B' which is also 12 MW Small Hydel Project. It is being developed as a tourist destination by Mizoram Tourism with plans to create a water sport destination.
Bairabi within Kolasib District is the only rail head of Mizoram which was recently completed on 21st March 2016 hence a significant destination. Vairengte at the Northern tip of the district is the main entry point for tourist traveling by road via Assam.
The district is bounded on the north by Assam State, on the west by Mamit District and on the east by Aizawl District. The district headquarter is 117 kms from Aizawl. It is well connected by road and Pawan Hans helicopter service connects Kolasib town with Aizawl.