Ulrich,

I have been to photograph many places where I had to obtain a special permit to do so. I was thinking that it might be possible to arrange something with the distillery prior to arriving, by talking to them, explaining how the camera works, and that they perhaps could, against a fee, give a private tour where you could photograph with a manual camera.
You know, so that other visitors can't see it.

If you really want to photograph a place, you shouldn't give up at the first obstacle. Some people can be incredibly accommodating, as long as you treat them with respect and explain what you want to accomplish very clearly.

And others might not be so accommodating. That's when you stop negotiating.

- Thomas