The answer is The "Andes" mountains. We're working on that crossword puzzle too!
Maybe Punt, especially if its an American crossword
Lofty mountains mean those mountains which are really high or above the rest of the mountains.
The word "brainwaves" can also refer to innovative or creative ideas or thoughts. In this context, it represents the activity or mental processes that lead to novel or inventive thinking.
Had high ambitions
ovule
Valley. Plains.
Ainu
amaze
It's a negative, not or none.
otiose
pica or font