place in Arcadia: Paus. 8.25.4
We read that there was a hole (βόθρος) sacred to Demeter Erinnys at Onceum, near Thelpusa in Arcadia, into which live pigs were cast (Paus. 8.25, 4-Z1; cf. Lycophr. Alex. 1225, λωβαῖσιν αἰκισθέντας Ὀγκαίου βόθρου).
Ancient Greek and Hellenistic Settlements / Geography of ancient Greece