Outer Planes

Outer Planes is a collective term used to describe a subset of the known planes of existence in various cosmology models. Outer Planes could refer to:
 * These seventeen planes of the Great Wheel cosmology model:
 * The Abyss
 * Acheron
 * Arcadia
 * Concordant Opposition
 * Elysium
 * Gehenna
 * Gladsheim
 * Hades
 * Happy Hunting Grounds
 * Limbo
 * The Nine Hells
 * Nirvana
 * Olympus
 * Pandemonium
 * The Seven Heavens
 * Tarterus
 * The Twin Paradises
 * These twenty-six planes of the World Tree cosmology model:
 * The Abyss
 * Arvandor
 * The Barrens of Doom and Despair
 * Blood Rift
 * Brightwater
 * Clangor
 * Deep Caverns
 * The Demonweb Pits
 * Dragon Eyrie
 * Dwarfhome
 * Dweomerheart
 * Fated Depths
 * Fury's Heart
 * The Gates of the Moon
 * Green Fields
 * Hammergrim
 * Heliopolis
 * The House of Knowledge
 * The House of Nature
 * The House of the Triad
 * Golden Hills
 * Jotunheim
 * The Nine Hells
 * Nishrek
 * The Supreme Throne
 * Warrior's Rest