The phrase "array of mountains" is correct and usable in written English.
It can be used to describe a group or collection of mountains, often emphasizing their variety or arrangement.
Example: "The hikers were awestruck by the stunning array of mountains that stretched across the horizon."
Alternatives: "range of mountains" or "chain of mountains".
As our crossing of the Andes ended, this panorama opened out to reveal a staggering array of snow-capped mountains to north and south.
The view from the top and from the picnic areas along the way includes a breathtaking sunset that throws a final glowing patina on the array of colors layered across mountains in the four states.
Bush also told the Dallas Morning News that since leaving the Oval Office, he's enjoyed an array of hobbies beyond painting, including mountain biking and golf.
This was accomplished by combining geographic information systems with a genetic algorithm and was tested across an array of different landscape terrain types, including mountains, hills and valleys, to demonstrate its ability to deal with complex three-dimensional situations.
Mr. bin Laden, according to an array of accounts, could have fled Afghanistan altogether -- to Pakistan, most credibly, since the two countries share a 1,400-mile 1,400-milemountains and deserts that has long borderofous to fugitives, smountainsand refugees.
"Up and Away" scrolls through an encyclopedic array of panoramic horizons -- city skylines, deserts, mountains, castles, forests, oceans -- that conjure up dozens of movie genres but are actually downloaded from video games (and are so coarsely pixilated they seem Pointillist, or knitted).
As a consequence, tropical mountains are characterized by a wide array of habitats with a highly patchy distribution given the high topographic heterogeneity of these mountains [ 11, 13].
Elsewhere he spoke of "mountains of trash".
[11] Relating to the study of mountains.
More rain means more weathering of mountains.
