Deutsche Bahn (www.bahn.com) and FlixBus (www.meinfernbus.de) operate low-cost services between Berlin and Quedlinburg, Wernigerode and Goslar. Most services also stop at Magdeburg. Fares fluctuate; check the websites for details.
If you’re driving, the area’s main arteries are the east–west B6 and the north–south B4, which are accessed via the A7 (skirting the western edge of the Harz on its way south from Hanover) and the A2 (running north of the Harz between Hanover and Berlin).
The area’s main towns of Goslar, Wernigerode and Quedlinburg are serviced by frequent trains; visit the website of Deutsche Bahn (www.bahn.com) for details.