By air via airports:
Erfurt (avg. 1 hour)
Leipzig (avg. 2.5 hours)
Berlin (avg. 4 hours)
Frankfurt (avg. 2.5 hours)
Take a train to Gotha, and from there a street car (“Waldbahn” avg. 1 hour) will bring you to Tabarz.
For detailed Information, please visit the German Railway Website.
By car: see Google maps for detailed instructions.