I know there is the "Seven Mounting Heavens of Celestia" and the "Nine Hells of Baator" How many outer planes are there, and do they all have long names like this?

  • \$\begingroup\$ Probably you can find more information in "Manual of the Planes" by WoTC \$\endgroup\$
    – Vestel
    Commented Feb 5, 2014 at 17:27
  • \$\begingroup\$ This is arguably a setting-specific question. I say "arguably" because there are campaign settings that attempt to reconcile the apparently-different cosmologies of different campaign settings (generally by fingering some prime berks as clueless). \$\endgroup\$
    – GMJoe
    Commented Feb 6, 2014 at 3:41

1 Answer 1


Yes, they do all have long names. :) The seventeen outer planes are (listed on Manual of the Planes, p. 28) as follows. You can click each one for some information about it.

  1. Heroic Domain of Ysgard
  2. Ever-Changing Chaos of Limbo
  3. Windswept Depths of Pandemonium
  4. Infinite Layers of the Abyss
  5. Tarterian Depths of Carceri
  6. Gray Waste of Hades
  7. Black Eternity of Gehenna
  8. Nine Hells of Baator
  9. Infernal Battlefield of Acheron
  10. Clockwork Nirvana of Mechanus
  11. Peaceable kingdoms of Arcadia
  12. Seven Mounting Heavens of Celestia
  13. Twin Paradises of Bytopia
  14. Blessed Fields of Elysium
  15. Wilderness of the Beastlands
  16. Olympian Glades of Arborea
  17. Concordant Domain of the Outlands

The full table on Wikipedia has shorthand names for them and some base information as well.

Finally, the entire cosmology talks about how those fit in with the other planes. This beautiful map illustration of the Great Wheel may also be useful; it is based entirely on canon sources and quite accurate.

  • 3
    \$\begingroup\$ Quick note: the reason for the long names is that many (though not all) of these planes have gone through several different names over the course of the various editions and supplements. The "official" names in the 3e Manual of the Planes attempted to reconcile the most popular names from the various editions, either by straight-up combining multiple names (e.g. "The Nine Hells" of "Baator"), or at least giving a nod to several (e.g. "Plane of Concordant Opposition" -> "Concordant Domain of the Outlands"). \$\endgroup\$ Commented Feb 5, 2014 at 21:04
  • 1
    \$\begingroup\$ Adding to what The Spooniest said, even in the game fiction, most planes have multiple names from different cultures, languages and dialects or just because people like to give multiple terms, titles and euphemisms to Very Big And Important Things; The natives of some campaign settings might not realise particular planes exist, or consider two distant parts of a single plane to be separate planes in their own right (perhaps to the annoyance of the natives). \$\endgroup\$
    – GMJoe
    Commented Feb 6, 2014 at 3:36

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