Bulgarian natural park Sinite Kamani near city of Sliven travel tips and stories. Vacations ideas, cruises, spa and resorts. Home | Bookmark us. Sep20 ... sinite kamani sliven blue stones karakachani halkata In the Balkans, above the town of Sliven, over an area of 7094.1 hectares is situated the marvelous Nature Park Sinite kamani (Blue Stones) â?? bluish-grey to violet rock cliffs mounting to more than 1000 meters above the sea level â?? the peaks Big and Small Chitalka ...