The lake is at 700 feet above from the sea level. And it will take your full energy to reach at the peak. You'll find a stream, that was created from the water of the lake during your walking path. The last part of the path is really hard.Its a direct upwards path, and at a time you'll feel like this path will never end. A suggestion that take a break for each 25/30 steps.
This beauty is just at the path of Debotar Pukur
The lake is not that much beautiful. But,you will be a hard work to reach there, it will forced to made the lake beautiful. You can have some time to explore the hills around the lake. The place is really beautiful. During the Summer, lots of people used to visit this place. This is kind of pilgrimage area for the tribal people. For example this lake is holy for the Tripura people.
You can explore the hills around the lake
There is only one bus providing the service at that route. Khagrachhori-Rangamati bus service. But this one is available only one per hour.Otherwise "Chander Gari" is available.This will drop you at "Mais Chhori" bazar. Matai Pukuri around 7 kilometer apart from the "Mais Chhori" bazar. 4 kilometer is road(but no public service avilable), and other 3 kilometer(walking) is upwards mountain ride.Soyou can hire a motor bike for the 4 kilometer(instead of walking). it will recover some time loss. Then you can take a bike rider as well as a guide. It will be better for you. After 4 kilomiter you will reached a village then three kilomitter you need to walk.