Find my clue.

Grand Canyon in the US.

I am a Geological feature
I am a Canyon
I am not the Grand Canyon

So, not quite as easy as all that.

Are you in the North/South American continent?

I am a Geological feature
I am a Canyon
I am not the Grand Canyon
I am not in the North/South American continent.

Are you on the African continent?

I am a Geological feature
I am a Canyon
I am not the Grand Canyon
I am not in the North/South American continent.
I am not on the African Continent

Are you in China?

1) I am a Geological feature
2) I am a Canyon
3) I am not the Grand Canyon
4) I am not in the North/South American continent.
5) I am not on the African Continent
6) I am not in China

Are you in Kazakhstan or Iceland?

Are you Miranda on the moon?

-m.

1) I am a Geological feature
2) I am a Canyon
3) I am not the Grand Canyon
4) I am not in the North/South American continent.
5) I am not on the African Continent
6) I am not in China
7) I am not in Kazakstan or Iceland
8) I am not in Miranda on the Moon
Although I am by dictionary definition a Canyon, I am not known as X Canyon or Canyon X.

Are you Kanionet e Skraparit in Albania ?

Are you on a planetary body (planet or moon) other than Earth?

Do you have the word gorge in your name?

Marianna trench?

1) I am a Geological feature
2) I am a Canyon
3) I am not the Grand Canyon
4) I am not in the North/South American continent.
5) I am not on the African Continent
6) I am not in China
7) I am not in Kazakstan or Iceland
8) I am not in Miranda on the Moon
Although I am by dictionary definition a Canyon, I am not known as X Canyon or Canyon X.
9) I am not Kanionet e Skraparit
10) I am on Planet Earth
11) I have the word Gorge in my name

Gorge du Verdon, France?

-m.