The Islek is a high plateau which, after Oasten, continues the Luxembourg Ösling into the Eifel. This hiking trail tries to trace the wild character of this natural landscape. It starts in Arzfeld, leads past the reservoir down the valley to Irrhausen. The path then follows the Holmicht stream upstream back to Arzfeld.

Highlights along the way:

•   Arzfeld reservoir
•  "Valley of the Butterflies with a reservoir and a small waterfall