The guided Bothanical trail is demonstrating information and knowledge on over 100 plants of a high conservation significance. The visitor willhear about the critical importance for preserving endemic species such as the Rila cowslip, the Rila rhubarb, St. John’s chamomile, southern white-backed woodpeckers, the Balkan larks, etc. With a biy of luck, some of them can be seen on the Bothanica Trail. Many of the in total 200 species of medicinal plants, growing in the Park and part of the store of herbs for every pain, can be also seen on the way. Some of the plants are used for production of medicines for heart ailments, neuroses and dyspepsia, while others are used for general strengthening and revitalisation of the human system. There are also 28 species of edible mushrooms, e.g. boletus, the field mushroom, and the slippery jack, etc. Every summer and fall, to the benefit of local gatherers, the park yields an abundance of wild nuts and berries such as hazelnuts, bilberries, raspberries, briars, hawthorns, and blackberries. The Seven Rila Lakes are also to be seen in the Park! These glacial lakes are without a doubt one of the most notable natural attractions and a dreamed destination on the Balkan Peninsula, touching thousands of tourists with their beauty. They are located in the Dangskiya region of the northwestern Rila Mountain. The highest of them is Tear Lake, which gained its name for its crystal-clear water. It is 2,535 meters high, directly beneath the Otovishki Peak. Next is Eye Lake, the deepest of the seven at 37.5 meters.