The possible locations of the Shadowy Isles2
The possible locations of the Shadowy Isles2
A group of islands that lay in the western reaches of the Great Sea, off the eastern shores of Aman. They were shown to Tuor in a vision by Ulmo, and in that vision they appeared in dangerous and stormy seas, battered by immense waves.
The identity of the Shadowy Isles is difficult to assess for sure. In Unfinished Tales, Christopher Tolkien tentatively identifies them with the Enchanted Isles raised at the time of the Hiding of Valinor, and there are certainly many similarities. Both were set in the Shadowy Seas, both lay not far off the eastern coasts of Aman, and both were dangerous to mariners. What's more, it is said that 'the seas about [the Enchanted Isles] were filled with shadows and bewilderment' (Quenta Silmarillion 11, Of the Sun and Moon and the Hiding of Valinor) which would certainly explain 'Shadowy Isles' as an alternative name.
Matters are confused slightly by an early map that shows the Shadowy Isles as somewhat separate from the Enchanted Isles. That map (Map IV in volume IV of The History of Middle-earth) shows the Enchanted Isles as an arc of islands protecting the coasts of Aman, with the Shadowy Isles as an apparently separate group a little beyond the northern end of that arc. In fact, they lie in direct line between Beleriand and Taniquetil, and this matches with Tuor's vision (in which he saw the Holy Mountain rising beyond the Shadowy Isles, just as we would expect from his vantage in Nevrast). Taking all these facts together, the most likely interpretation is probably that the Shadowy Isles were a northern outlier of the entire chain of the Enchanted Isles, clearly connected with the latter, but probably not synonymous with them.
Notes
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The fate of the Shadowy Isles at the time of the Downfall of Númenor is not entirely clear. We do know that a vast chasm appeared in the Sea between Aman and Númenor at that time, and it is plausible that this caused the destruction of the Shadowy Isles. If they survived the cataclysm, they were taken out of the world with Aman itself, and no longer exist within the Mortal realm.
In fact, the Shadowy Isles are not mentioned after the end of the First Age, and it is perhaps notable that during the Second Age ships could apparently sail unhindered both to and from Númenor. This seems to imply that, at the very least, the enchantments of the Shadowy Isles had been removed after the defeat of Morgoth, and might even suggest that the isles themselves had ceased to exist.
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2 |
This map, following Map IV in volume IV of The History of Middle-earth, shows the possible locations of the Shadowy Isles. That sketch-map shows a small archipelago northward of the main arc of the Enchanted Isles, and though the labelling on the map is somewhat rough, for this group it is hard to read as anything other than 'Shadowy Isles'.
This may seem conclusive, but as Christopher Tolkien points out, there are reasons to identify the Shadowy Isles with the Enchanted Isles, which appear here forming an arc to the south. It does indeed seem strange that the Shadowy Isles should so distant from the Shadowy Seas, which lay within the southern arc of islands. Perhaps, then, we are to take it that the Shadowy Isles represented an outlying northern extension of the Enchanted Isles, so that the islands of the small northern archipelago effectively formed part of both island groups.
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