Kamen Del ( / ‘Stone Piece') is a peak on Vitosha Mountain in Bulgaria. Rising to , and surmounting the city of Sofia, it is the most conspicuous peak seen from the Bulgarian capital. Its northern slope is partly covered by an extensive one by one km stone sea. A flat col links Kamen Del to Ushite Peak to the south, hosting a small refuge on the track between Aleko and Zlatnite Mostove, the two most popular tourist sites on Vitosha.