Wouldn't it be a plummit.
The usual opposite (especially in graphs) is a peak. (crest, apex, summit)But for a geographic valley, it is not necessarily the lowest point, so opposites could be either hill or mountain.
the oppposite OS the base of a mountain is the summit
An antonym is the opposite term. The opposite of the base of the mountain would be the top. Another term for this would be the peak or the summit. You might also say the climax or the cap.
There are many synonyms for base: bottom, floor, lowest part, foundation, support, stand, foot, starting point, house, home, source, root, essence.
the person that has a bit of a summit but that summit is only a little summit and this little summit only costs 12p which is a summit
the coapen haegen summit is a summit that is u
the summit is high
Summit Appliance is the manufacturer of Summit Appliances. www.summitappliance.com Source: I am an in-house salesperson for Summit
I will climb to the summit of the mountain for charity.After several days, the climbers finally reached the summit of the mountain.The emergency summit will discuss the security threats.
Summit can mean: the top of a mountain, or a meeting
The summit is a noun.