My countryside has a famous the moutain. My countryside has a famous moutain.

or "Where I live in the countryside, there is a famous mountain"

My countryside has a famous the mountain. My countryside has a famous mountain.

My countryside has a famous the moutain. My countryside has a famous moutain.

It is far from city center, about 10 kilometers. It is far from city center, about 10 kilometers.

It far from city center at about 10 kilometer.s. It far from city center at about 10 kilometers.

It is far from the city center, about 10 kilometers. It is far from the city center, about 10 kilometers.

I go to visit there once a year. I go there once a year.

Either "I go there" or "I visit there"

I go to visit ithere once a year. I visit it once a year.

I go to visit ithere once a year. I visit it once a year.

You can climb the moutain by foot or go to the top of the moutain by cable car. You can climb the moutain by foot or go to the top by cable car.

You don't need to repeat "of the mountain" as we already know that is what you are talking about