The Leshnishki (Lyashnishki) Waterfall is a waterfall on the Lyashnishka River in the Belasitsa Mountains, about 1.8 km southwest of the Belasitsa Chalet. It is located at 680m above sea level. The height of the water fall is 6,5m. From the hut to the waterfall is reached by one of the thematic routes in the mountains – “Friends” trail, which is near Petrich.