Bicycle paths construction along renaturation projects take into account the user needs (cyclists, pedestrians) and is important for tourist attraction.

Moreover, these constructions are part of the preservation of ecological and landscape structures (flood-plain terrace, slope, thalweg, wetlands, forest) from protected areas.

That's why, in nature reserve, some constructions criteria need to be set:

• natural ground adjustment,
• usage of the region natural materials,
• respect of free water flow and run-off,
• integration in futur renaturation projects, extensive farming exploitation projects and ecological restoration of captured source projects,
• preservation of cultural and landscape inhabitant of luxembourg value.