We recommend that you wear a bicycle helmet.
ADFC Cycling Guide Römer-Lippe-Route 1 : 50 000: Water adventure and Roman culture between Detmold and Xanten [Broschiert] Gerhard Neimeier (Author), Renate Neimeier (Author) Römer-Lippe-Route: Von Detmold nach Xanten, 450 km. Cycling tour book 1 : 50 000 by bikeline (published on June 30, 2013)
Detmold station. Take the bus to the Hermannsdenkmal.
Always know what's going on: The smart number for buses and trains in NRW 0800 6-50 40 30 (free of charge and available around the clock).
You can get to Detmold easily and conveniently via the A2 Ruhrgebiet-Hannover freeway (exit Bielefeld Zentrum, B66 towards Oerlinghausen/Detmold) and via the A33 (exit Paderborn-Elsen, B1 towards Detmold/Hameln). From all directions, the distance to the respective highway is about 25 km.
In Detmold, simply follow the signs to the Hermannsdenkmal or head for the southern Detmold district of Hiddesen.