The phrase "mountainous peaks" refers to the tallest parts or tips of mountains. It means the highest and steepest points of a mountain range. Full definition
As you make your journey back towards the mainland, watch as the blue waters of the Great Barrier Reef transcend into the lush rainforest greenery and rugged mountainous peaks of the Tropical North Queensland's diverse landscape. (barrierreefaustralia.com)
Charge up your camera as this hike offers everything from mountainous peaks and sheer rock faces to pristine lakes, cascading waterfalls and dense, luxuriant forest. (gapyear.com)
Aside from a crisp 3D conversion and a decent action sequence involving swinging ninjas on a mountainous peak, this is pieced together like a crappy Transformers sequel taken from a rejected script for a Mission: Impossible installment. (shockya.com)