Exit Lüdenscheid-Nord, turn right towards Lüdenscheid / Hagen, after approx. 1 km turn right towards Hagen / Schalksmühle, after approx. 1 km turn right into Sterbecker Str., The first street on the right (Amphoper Str.), The first street on the left (Im Eichholz)
A1 from Cologne or Bremen
At the Westhofener Kreuz take the A45 in the direction of Frankfurt, then as above.
A4 from Cologne
At the cross Olpe-Süd on the A45 direction Dortmund, then as above.