La Grotte du Coléoptère (Bomal) – GPX 3.4 km | Ardenne Résidences

La Grotte du Coléoptère Walk

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05 November 2026

Starting point

Driaisne 1, 6941 Bomal

Difficulty

Easy

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Author

Jurgen Bricheux

A sporty epicurean in search of new trails and shared pleasures

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Walk to La Grotte du Coléoptère

Route description

A pleasant 3.4 km hike starting from Bomal-sur-Ourthe, combining scenic viewpoints and natural attractions. The trail first leads to a viewpoint overlooking the Aisne Valley and the village of Bomal, before reaching the Grotte du Coléoptère. The return journey is a gentle stroll along the river.

Departure and start of the hike

The starting point is located near the centre of Bomal-sur-Ourthe , where a marked trail begins which climbs slightly towards the viewpoint.

Points of interest along the route

  • Viewpoint overlooking the Aisne valley and Bomal : panoramic view of the surrounding landscape.
  • La Grotte du Coléoptère : a small natural curiosity, discreet but an essential stop on the walk.
  • Former Bomal pumping station : a vestige of local heritage, a witness to the history of water management.
  • Aisne River : peaceful path that runs alongside the watercourse to complete the loop.

The cave and its history

BLa Grotte du Coléoptère is a small, natural cavity formed in the limestone by erosion. It owes its name to a beetle-shaped pendant discovered during excavations in the 1920s, which also revealed traces of human occupation dating back to the Upper Paleolithic period. Despite its small size, this cave serves as both a geological and archaeological testament to the long history of human presence in the Durbuy region.

Panoramic view of Bomal from the Belvédère (© Ardenne Résidences)

Return to the starting point

After following the Aisne and enjoying the peaceful landscapes of the valley, the route takes you back to Bomal-sur-Ourthe.

Walk to La Grotte du Coléoptère (© strava.com)

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