7. The Nature Reserve Under the Rocks Introduction
7. The Nature Reserve Under the Rocks is a 3.6 mile (8,000-step) route located near Flémalle, Région Wallonne. This route has an elevation gain of about 357.5 ft and is rated as medium. Find the best walking trails near you in Pacer App.
Last updated: Oct 1, 2026
Route Details
Length
3.5 mi
Elev. Gain
357.5 ft
Est. Steps
8000
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