"Kedikchal" is a nature park that is located in the village of Raven, about 7 km from Momchilgrad.It is a complex of ancient oaks, presented by species of quercus pubescens and downy oak, aged 600 years. There are different types of protected birds.Moreover, one can find various herbs and rare beautiful plants . These are remnants of an ancient forest that used to cover the territory of the Eastern Rhodopes and is described by chroniclers as the Great Bulgarian Forest (Silva Magna Bulgarica).