The Stone Mushrooms (bg:Каменните гъби) is a rock phenomenon near Beli Plast village in Bulgaria, on the road between Haskovo and Kardzhali. They are about 2.5 metres tall. The 3 hectares area is declared as natural resource on May 13, 1974 according to №РД-552 bill of the Ministry of Environment and Water. Interesting kinds of birds can be observed in the area: Short-Toed Eagle, Egyptian Vulture, Red-rumped Swallow, Black-eared Wheatear etc.