5 adjectives to describe bowlders

In the lee of a huge gray bowlder on the summit of Mount Tom sat Philip Lambert and Carlotta Cressy.

On the sandy shore of that harbor, close to the water's edge, was a little granite bowlder, and on this, according to tradition, the Pilgrims stepped as they came ashore, December 21, 1620.

Between was the wild valley where cattle grazed among the trees and the massive bowlders.

When the noon of night arrived, he had decided upon nothing but to blunder ahead by sheer force of momentum, as if he had been a rolling bowlder instead of a clever, resolute Garcia Coronado.

There was no time to have a care for sunken bowlders, reaching up to rend the thin bottom.

5 adjectives to describe  bowlders