I went hiking to = in the Yeongnam Alps 2 = two weeks ago.

I heard that place has good view from my coworker. But the way to the mountain = A coworker had told me that the place has a great view, but the drive there was not easy. 

I lost the way although I drove myselt alone. = I lost my way, even though I was driving by myself.

And the hiking couse is = On top of that, the hiking course was so long.

It spent 9hours 30minutes. = It took me 9 hours and 30 minutes.

I was so tired. My feet was not mine. = tired that my feet didn't even feel like mine. I felt so old.

They said that Age is just fingure. It is not true. = People say that age is just a number, but that is not true.

My body proves.... = proves otherwise...

But these view = However, the views were awesome.

That place is so beautiful that why I took the films on "Crash Landing on You". = beautiful, which is why it was a filming location for "Crash Landing on You."

There are many couples shaking hands each other and walking the way. = There were many couples holding hands and walking along the path.

I don't hate to say that I'm so jelous them. = I have to admit, I was so jealous of them.

I thought I'll damned if I go hiking there again. = At the time, I thought, 'I'll be damned if I ever go hiking there again.'

But I changed my mind. Theses view = The views were just so wonderful.

If I have = get a girlfriend, I will go to there. = want to go back there with her.

I have to make a girlfrind. = I really need to find a girlfriend!

NOTE: What a remarkable story! Thank you for sharing. ^^