Here's some handy maps of the Pamporovo and Bulgaria. Click on them for bigger printable versions.

If you're driving, here's some handy maps for getting on the road from Sofia and Plodiv airports. Click on the image to get hi res versions.

Here's a map of how to get to the Bus station in Sofia. Yes, it's in Bulgarian and there isn't a high res version. But it's worth printing out to have to present to a taxi driver that may have little or no knowledge of English!