HEPTAPOROS was a River-God of the Troad in Northern Mysia, Anatolia (modern Turkey).
The River Heptaporos was probably a tributory of the Skamandros. Its headwaters flowed down from Mount Ida.
HEPTA′PORUS (Heptaporos), a son of Oceanus and Tethys, was the god of a small river near Mount Ida. (Hom. Il. xii. 20; Hes. Theog. 341; Strab. pp.587, 602.)
Source: Dictionary of Greek and Roman Biography and Mythology.
Homer, Iliad 12. 18 ff (trans. Lattimore) (Greek epic C8th B.C.) :
"[After the Greeks had departed from Troy :] Poseidon and Apollon took counsel to wreck the wall [of the Greeks], letting loose the strenght of rivers upon it, all the rivers that run to the sea from the mountains of Ida, Rhesos and Heptaporos, Karesos and Rhodios, Grenikos and Aisepos, and immortal Skamandros and Simoeis . . . Phoibos Apollon turned the mouths of these waters together and nine days long threw the flood against the wall, and Zeus rained incessantly, to break the wall faster and wash it seaward. And the shaker of the earth himself holding in his hands the trident guided them, and hurled into the waves all the bastions' strengthening of logs and stones . . . and turned the rivers again to make their way down the same channel where before they had run the bright stream of their water."
Hesiod, Theogony 337 ff (trans. Evelyn-White) (Greek epic C8th or 7th B.C.) :
"Tethys bore to Okeanos the swirling Potamoi (Rivers), Neilos . . . Nessos and Rhodios, Heptaporos and Haliakmon, Grenikos and Aisepos, and Simoeis [in a list of rivers]."
- Homer, The Iliad - Greek Epic C8th B.C.
- Hesiod, Theogony - Greek Epic C8th-7th B.C.