Red Mountains
The Red Mountains are a range Mogodore threatens to cross on his way to attack the Emerald City.
First named in Jack Pumpkinhead of Oz, ch. 9
I'll march across the Red Mountains, capture the Emerald City, depose this foolish little fairy Ozma and proclaim myself King of Oz.
Where this is
placed In Oz worked out
read out of the chapters cited on this page, not stated in any one sentence of them
Jack Pumpkinhead of Oz ch21 calls them outright 'the Red Mountains of Oz.'
What the books say it is
colour Red 1 chapter
"I'll march across the Red Mountains, capture the Emerald City, depose this foolish little fairy Ozma and proclaim myself King of Oz."
Jack Pumpkinhead of Oz, ch. 9