. Cave Uhlovitsa Uhlovitsa Cave is located in the Rhodope Mountains , 3 km . northeast of Mogilitsa . ” Uhlovitsa ” is one of the oldest caves in the region with many beautiful dendroid forms resembling sea coral. The cave ends with seven incredibly beautiful lakes such as the large lake stone spurts of brilliant summer waterfall. The cave is located at 1040 meters above sea level, the temperature inside throughout the year is 10-11 degrees. Total length of the galleries is 460 meters, 330 of which are developed for visitors. Discovered in 1967 by Dimitar and George Raychevi .