Areas south and east of the moraine are characterized by rough, irregular hills and hollows, characteristic of the Allegheny and Cumberland Plateaus of western Appalachia.

The forests, irregular hills and mountains around Belén provide many inspiring landscapes for both locals and tourists.

Beyond the gate, they faced a sluggish stream, well-muddied by recent crossings, and a steep slope across it up one of the small irregular hills.

Cupola hills, from the Danish kuppelbakke, are irregular hills containing evidence of glacitectonic disturbance but lacking the distinct morphology of the composite ridge or hill-hole pair.

The Koh-i-Sultan, at the western extremity of the northern group of these irregular hills, is over 6000 ft. above sea-level.

The Ranyhyn ran as if they were hurrying to rejoin the sun; and at daybreak the riders found that they were crossing short irregular hills covered with stiff grey grass.

In 1893, the California Debris Commission began to dredge the Yuba near Marysville to mitigate the environmental damage, and piled the gravel along the river's banks, creating the irregular hills seen today.

The Chūgoku region is characterized by irregular rolling hills and limited plain areas and is divided into two distinct parts by mountains running east and west through its center.

Small scraggly pine trees dotted the sweep of irregular hills, gullies, and rocky outcroppings at the fringe of the mountains.

From the air it would appear to be another barren irregular hill of rock and sage and sand.