The 156 meter long Peterslahr tunnel on the former railway line of the Wiedtalbahn, which led from Linz to Altenkirchen, is illuminated and can therefore be accessed without an additional flashlight.
Beautiful path along the Wied. However, the path is only conditionally recommended for families with small children or prams, as the path is narrow and partly steep with steps.
So far I have not found a longer tunnel in the Westerwald that you can cycle through. In addition, the tunnel is illuminated. At the entrance you can turn on …