Gilgamesh's Quest and the Afar Depression: A Unified Geo-Mythological Hypothesis for Utnapishtim's Abode and the Original Dilmun

The Epic of Gilgamesh (Standard Babylonian version, c. 1200 BCE) describes a staged journey through extreme liminal landscapes — twin-peaked mountain guarded by scorpion-men, a tunnel of absolute darkness, a garden of gemstone trees, lethal waters, and a remote realm where the flood survivor Utnapishtim dwells 'at the mouth of the rivers' (ina pi nārāti, Tablet XI.206). Conventional scholarship locates this terminus in Dilmun, identified with Bahrain in the Persian Gulf, based on cuneiform purity motifs and Bronze Age trade documentation. This paper advances a unified geo-mythological hypothesis: that the Afar Depression in the Horn of Africa is the primary geographical substrate for the entire quest, including both the infernal journey stages of Tablets IX–X and the Utnapishtim terminus. Two philological and geographical arguments anchor the hypothesis. First, the Akkadian phrase ina pi nārāti is here reread as 'at the gorge-mouth of the rivers' rather than 'at the river delta' — a reading philologically supported by the primary sense of Akkadian pi as opening or gorge rather than delta outflow — identifying Utnapishtim's dwelling with the Awash gorge at the eastern margin of paleo-Lake Abhe Bad, the terminal basin of the Afar's interconnected highland river system and a plausible candidate for the 'source of the four heads' described in Genesis 2:10–14. Second, the Dilmun paradise tradition is proposed to carry an original Afar geographical referent — the abundant, freshwater-filled Afar heartland during the African Humid Period (c. 15,000–5,000 BP) — subsequently displaced through geographical memory transfer to the Persian Gulf as the Afar's humid-phase landscape was lost to desiccation and direct landscape memory faded. The Gulf Dilmun is thus a secondary identification, inheriting the toponym and its paradisiacal connotations after the original referent became inaccessible. The argument is presented with explicit acknowledgement of its revisionist character relative to the Assyriological mainstream, and engages directly with George's (2003) philological commentary and Horowitz's (1998) cosmic geography analysis throughout.