Unplottable Hogwarts? Plottable Durmstang? Or vice versa?

[tmarends]

No: HPFGUIDX 41728

Lara wrote:
> In PoA Sirius traveles to Hogwarts. How does he do that if Hogwarts 
> is unplottable, and has all these charms on it? the only 
possibility 
> I could think of was the following: 
> He first traveles to london, goes to platform 9 3/4 and follows the 
> train tracks of the hogwarts express, to hogwarts. For this 
Hogwarts, 
> to my thoughts, would not even have to be unplottable, if you can 
> find it by following the train tracks, what's the use of making it 
> unplottable? Then again, maybe the train doesn't have any tracks. 
We 
> could assume it to be a magical train, right? 
> 
> Where does it state that Hogwarts is unplottable? It says that 
> Durmstang, and I think also Beauxbatons is, but Hogwarts? Does it 
> actually say, or does Hermione only give it as a possibility as to 
> how to keep a magical school secret? 
> 
> 
> So What do you think? Hogwarts unplottable, did JKR make a mistake 
> with sirius just walking onto the grounds, and where is Durmstang?
> Have fun. 
> 

I think you're missing a couple of key points.

1) Sirius Black went to Hogwarts.  He would certainly know where it 
was located.

2) Hogsmead isn't far from it.  How many in the WW don't know where 
Hogsmead is?

Tim A.