We use the to refer to certain geographical features by name.
We use the to refer to some geographical features in the plural only.
| Singular |
Plural |
|
| Mountains | Mount Everest | the Alps |
| Islands | Pitcairn Island | the Philippines |
We use the with valleys only when valley is the first word.
| Singular |
Plural |
|
| Valley | Death Valley | the Valley of Flowers |