By car: The Villa Denis is easy to find and is about a 20-minute drive from Kaiserslautern. The detailed map aids orientation. The address for your navigation device is: Diemerstein 9, 67468 Frankenstein-Diemerstein. If you are looking for a more complete orientation, check Google Maps.
Larger scale of map
Public transportation: Take S-Bahn line S1 or S2 from the main train station in Kaiserslautern to arrive in 12 minutes at the Frankenstein station (2d stop in the direction of Ludwigshafen/Mannheim after Kaiserslautern). Details are published in the S-Bahn schedule. It is just a short walk from the Frankenstein station to Villa Denis.