As the coastal terrain is generally quite flat, except where the mountain ranges come to the sea, wide tidal flats separate the shore from the open sea.

But the marsh had receded to the east, and from the foot of the lower slopes there were now wide flats, grown with grass and small rushes on which men would walk.

In the region, coastal marshes and wide tidal flats.

The terrain was quite diverse: wide tidal flats and oyster beds, forested mountains, and level land that could be cultivated.

The marshes were at an end, dying away into dead peats and wide flats of dry cracked mud.

Then he went on more warily, for wide flats stretched on into the gloom before him, rough and pathless, with many traps for wandering feet.

As the light grew a little he saw to his surprise that what from a distance had seemed wide and featureless flats were in fact all broken and tumbled.

Long shadows stretched across the landscape, and dust devils danced like ghosts on the wide, sandy flats.

Landscape characteristics include, unconsolidated sand, gravel, lakes, marshland, sand dunes, and wide tidal flats.