What's the plural form of canyonland? Here's the word you're looking for.
Answer
The noun canyonland can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be canyonland.
However, in more specific contexts, the plural form can also be canyonlands e.g. in reference to various types of canyonlands
or a collection of canyonlands.