Wiktionary
mountainlike
a. Resembling a mountain or some aspect of one.
Usage examples of "mountainlike".
The account translated from the Icelandic says that the mountainlike ruins of this majestic glacier so covered the sea that as far as the eye could reach no open water was discoverable, even from the highest peaks.
The pyramids had long since turned mountainlike with distance, and shortly after had vanished in the blue-horizon-haze behind them.
Tomorrow, perhaps, it will be earthbound again, looking mountainlike and suggesting the serenity that mountains bring to mind.