Interactive 50-state rockhounding map, locations, rules and field guides
REVIEWED LOCATION
Anthony’s Main Road — Idrija Mercury Mine Rockhounding Status & Field Guide
The visitor-accessible entrance to the historic Idrija mercury mine, one of the world’s most important mercury deposits. Current operation includes scheduled guided tours; the geology is dominated by cinnabar ore and native mercury, but this record is intentionally viewing-only.
Protected / viewing statusVery high evidenceentrance map precisionCurrent review cycle freshnessImportant: Mercury minerals are toxic and the mine is protected heritage. Do not touch loose mercury, chip ore or remove specimens.
What is here
hydrothermal mercury ore deposit with cinnabar and native mercury
Materials / interest: Cinnabar, Native Mercury
Collecting and access
Guided heritage viewing only. No recreational removal of cinnabar, native mercury, ore or host rock is represented.
Use the official Anthony’s Main Road reception at Kosovelova ulica 3 in central Idrija. Follow the published guided-tour schedule and ticket rules.
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 environment around 13°C; operator provides protective overalls and helmets and recommends suitable footwear.