Gandalf, Moria, and Arrest

[Moonraker]

Originally Posted by Inziladun

If there had been a better way to go, Aragorn would have suggested one. Boromir's alternatives were logically shot down, leaving Moria the best option.

They could have called on the help of the Eagles for safe passage to Lorien. Also, Rivendell had steeds available that the Nine could not rival. Not that Tolkein would have wanted that, it would have killed the story, and the plot.