In The Fall of Arthur, when Tolkien writes of Avalon, he means that same elvish island.
And so I came back to Gwent as to Avalon; there to heal me of my grievous wounds.
So he ordered his loyal vassal to take his sword to the island of Avalon.
In Avalon began the long chapter of the troubles of the Baltimores with the Puritan opposition.
We have tried to introduce principles of the Tuna Club of Avalon.
They awaited his return just as certain stanch old Britons await the second coming of Arthur from the island of Avalon.
But the spirit of Avalon, like the climate, is something to love.
Avalon, the earthly paradise, was but the complement of these.
Avalon County appreciates the compliment,—if I may be permitted to answer for it.
Well was it for him that he was of the diocese of Lincoln, and that at that time Hugh of Avalon was its bishop.