Interactive 50-state rockhounding map, locations, rules and field guides
REVIEWED LOCATION
Blegny-Mine — Guided Coal Mine & Slag-Heap Geology Rockhounding Status & Field Guide
A current 2026 guided coal-mine visitor experience descending to galleries at 30 and 60 metres, plus mining museum and slag-heap biotope. It is included as geology/mining heritage, not specimen access.
Protected / viewing statusVery high evidenceentrance map precisionCurrent review cycle freshnessImportant: Do not leave visitor routes or remove coal/rock from heritage or underground areas.
What is here
Carboniferous coal seams and mining spoil
Materials / interest: Coal
Collecting and access
Ticketed guided underground mine and museum/slag-heap viewing only; no recreational specimen collecting is represented.
Use the official visitor entrance at Rue Lambert Marlet 23 and current ticket timetable.
Detailed status
viewing
Permission
Not flagged
Permit
Not flagged
Fee
Required
Guide
Required
Booking
Not flagged
Surface collecting
no
Hammering
no
Digging
no
Safety
Underground mine conditions, stairs, machinery noise and a roughly 15°C underground temperature; follow the guide and provided helmet requirements.