Mizoram has many unexplored caves and one of the must-visit and the unexplored caves of Mizoram is Bak Puk which is also known as Tui Lut. It is located at Project Veng within the town of Kolasib. With its vertical narrow entrance drawing in rainwater it is more like a sinkhole, but the tunnel later forms into wide caverns with awe-inspiring rock formation and deep pools which are yet to be fully explored with proper equipment. Considering the amount of rainwater that it accumulates it is amazing that it has no known outlet, thus giving rise to a legend that the entire town is on top of an underground lake. As per the source, the cave has various chambers and the people who are the adventure lovers would definitely love to visit this cave since it is one of the unexplored caves in the northeastern state of Mizoram in the district of Kolasib. There are other caves in the state of Mizoram like Tluangtea Puk, Far Puk, Mura Puk, Kungawrhi Puk, Tialpari Puk and all the caves are in the Champhai district of Mizoram. The Mura Puk is one of the must-visit caves and in the ancient days these caves were used by the local people for hiding purpose from a large eagle known as Mura and it was the cruel man-eater. There are of six cluster manmade caves carved out of solid rock. The natural surrounding all-around of these caves makes this place the most fabulous tourism destination.

To reach Bak Puk one can take various mode of transportation like flight, train and by road. The nearest airport to reach Bak Puk is Lengpui airport of Aizawl, Mizoram which is at a distance of approximately 96 kilometres and the nearest railway station is Nairabi railway station which is almost at a distance of 58 kilometres. From both the places, one can avail another mode of transportations to reach Kolasib like? One can book a private taxi or a cab or can take a public service if available. Although the road is well connected from Aizawl to Kolasib town but Pawan Hans helicopter service is also available.