Promontorium Archerusia

16°48′N 21°54′E / 16.8°N 21.9°E / 16.8; 21.9

Promontorium Archerusia (/ˌɑːrkəˈrʒə/; Latin for "Cape Archerusia") is a headland on the near side of the Moon. It separates the lunar mares of Mare Serenitatis and Mare Tranquilitatis. Its coordinates are 16°48′N 21°54′E / 16.8°N 21.9°E / 16.8; 21.9.

Promontorium Archerusia was named by Johannes Hevelius and is a misspelling of Acherusia, a cape on the Black Sea near Heraclea in ancient Bithynia (now Karadeniz Ereğli in Turkey).