Golyam Kupen (Bulgarian: Голям Купен) is a peak rising to 1,930 m in Vitosha Mountain, Bulgaria. The peak is situated on the southern border of Bistrishko Branishte Biosphere Reserve, on the watershed between Vitoshka Bistritsa to the north and Selska Reka (‘Village River’) to the south, rivers flowing eastwards to the villages of Bistritsa and Zheleznitsa respectively, and eventually to Iskar River.