Sedliská Nature Reserve was declared in 1974 on an area of about 6 hectares. Subject of protection: Protection of xerothermic stands of steppe character with a rich occurrence of nickels (Pulsatilla pratensis subsp. Nigricans, P. vulgaris ssp. Grandis) accompanied by other important thermophilic species of animals and plants for scientific research and cultural - educational purposes. Degree / type of protection: 4th degree.