the region has been zoned under a regulation of 1992 into specific zones, keeping in view the access areas provided for visitors and tourists. the areas are allocated to three zones: b, c, and d. zone b is open daily to the public subject to regulations: bicycles and dogs are forbidden; one must keep to identified tracks; waste is to be disposed of only in trashcans; and silence is to be maintained. zone c can be visited only accompanied by a guide authorised by the park administration. however no access to this zone is allowed from mid-march to late june, when an endangered species, the black grouse, breeds here. zone d is a totally protected reserve area, with no access to the public.