desert

mountain range

canyon

basin

plain

gulf

hemisphere

mainland

frontier

mainland

temperate

glacier

peak

district

moor(s)

The Pennies

bay

hill

downs

cliff

county

sloping

fertile

rugged

spectacular

low-lying

marshy

total area

coastline

elevation

regular

unpredictable

interval

to affect sb

drought

rim

to erupt

to be situated

extinct

hurricane

eruption

landslide

to trigger sth

slope