(n.) A mountain in Greece, sacred to Apollo and the Muses, and famous for a temple of Apollo and for the Castalian spring.

Apollo Apollo Musagetes Bragi Calliope Castilian Spring Erato Euterpe Geist Helicon Hippocrene Muse Parnassus Pierian Spring Pierides Polyhymnia animating spirit animation animus apocalypse creative imagination creative thought creativity daemon daimonion demon direct communication divine afflatus divine inspiration divine revelation enlivenment epiphany exhilaration fire fire of genius firing genius infection infusion inspiration moving spirit mystical experience mysticism poesy poetic genius prophecy revelation soul spirit talent the Muses theophania theophany theopneustia theopneusty