Bostrenus (Βοστρηνός), the "graceful" river upon whose banks Sidon was situated (Dionys. Per. p. 913); being the modern Nahr el-Auhy, a stream rising in Mount Lebanon from fountains an hour and a half beyond the village el- Baruk; it is at first a wild torrent, and its course is nearly south-west (Burckhardt, Syria, p. 206; Robinson, Researches, 3:429; Chesney, Euphrat. Exped. i, 467).