Peak
Crest
Synonyms: Summit, crest, mountaintop, heights, apex, tip, vertex, zenith, top, pinnacle, spire, brow, crown, cap, acme, and apogee.
Height
Synonyms: Mountain, height, aiguille, puy, tor, bluff, escarpment, prominence, ridge, massif, cordillera, Munro, berg, mount, hill, alp, serac, crag, inselberg, scarp, eminence, elevation, range, sierra, ben, law, and jebel.
Pinnacle
Synonyms: Height, pinnacle, top, climax, consummation, apex, ascendancy, peak of perfection, meridian, prime, ne plus ultra, best part, top form, high point/spot, summit, highlight, culmination, epitome, zenith, crowning point, acme, apogee, heyday, nonpareil, perfection, and highest level.
Climax
Synonyms: Reach its highest point, climax, come to a climax, reach the zenith, reach the high point, reach a climax, culminate, and come to a head.
Maximal
Example Sentences
They reached the mountain peak.
The peak time is now.
He is at peak performance.
Sales hit their peak yesterday.
The view from the peak amazed.