FATMAP difficulty grade
The hike is exhausting and long, but delivers stunning views once you are upon the tree line.
There are also several huts wich can used for sleeping, like Хиша Плевен or Хиша Раи on top of Mount Botev.
Most people/visitors are arriving at evening at the parking spot, which is around 5lv for 24h, go up to Хиша Плевен, sleep there and take the hike up to the peak in the morning.
The beginning of the route is very steep and can be slippery, be aware of taking good equipment with you.