Primeval forest Havešová-1405-2
Region: Region Prešov (Prešovský kraj)
Tourist location: Zemplín - Upper Zemplín (Horný Zemplín)
Mountains: Bukovec Mountains (Bukovské vrchy)
Havešová National Wildlife in National Park Poloniny in Bukovec Mountains (Bukovské vrchy)  is located in the administrative area of municipalities Stakčínska Roztoka and Kalná Roztoka in Region Presov (Prešovský kraj), district Snina.

Rožok UNESCO heritage
City / Municipality: Uličské Krivé, District: Snina
Region: Region Prešov (Prešovský kraj)
Tourist location: Zemplín - Upper Zemplín (Horný Zemplín)
Mountains: Bukovec Mountains (Bukovské vrchy)
Rožok is a small National Nature Reserve, which is located in eastern Slovakia in Bukovec Mountains (Bukovské vrchy). It includes a forest with primeval character and there are mainly oaks. Reservation falls within the Poloniny National Park.

UNESCO Stužica
City / Municipality: Nová Sedlica, District: Snina
Region: Region Prešov (Prešovský kraj)
Tourist location: Zemplín - Upper Zemplín (Horný Zemplín)
Mountains: Bukovec Mountains (Bukovské vrchy)
Stužica National Wildlife, original carpathian forest lies in a deep valley around Stužicka River on the border of Slovakia, Poland and Ukraine in Bukovec Mountains (Bukovské vrchy) - in the Poloniny National Park near the easternmost Slovak village Nova Sedlica.

Morské oko Vihorlat mountains
Region: Region Prešov (Prešovský kraj)
Tourist location: Zemplín - Upper Zemplín (Horný Zemplín), Zemplín - Lower Zemplín (Dolný Zemplín)
Mountains: Vihorlat Mountains (Vihorlatské vrchy)
Vihorlat primaeval forest is arae in Vihorlat Mountains (Vihorlatské vrchy) , which has been declared a site of World Natural Heritage. The reason was preserved beech forests with over 240 years old beech exemplars.