REVIEWED LOCATION

Oberska Cave, Vranci — Protected Cinnabar Mine & Cave Rockhounding Status & Field Guide

Oberska Cave is a protected geological monument and historic cinnabar/mercury mine above Vranci. Because the precise approach and current visitor management are local-condition dependent, navigation is routed to Kreševo rather than exposing a supposed collecting point.

Protected / viewing statusHigh evidenceapproximate map precisionCurrent review cycle freshness
Important: Protected cave/mine: no collecting and no unguided underground entry.

What is here

medieval cinnabar-mercury and barite mining in a karst cave system with speleothems

Materials / interest: Cinnabar, Barite, Dolomite, Pyrite

Collecting and access

Protected geology/cave heritage viewing only. No removal of minerals, cave formations, fossils or archaeological material is represented.

Contact local tourism/Kreševski Citrin for current access guidance; do not enter old mine/cave workings unaccompanied.

Detailed status
prohibited
Permission
Required
Permit
Not flagged
Fee
Not flagged
Guide
Required
Booking
Required
Surface collecting
no
Hammering
no
Digging
no

Safety

Historic underground workings may contain collapses, poor air, unstable rock and mercury-bearing mineralization.

Review status

Access reviewed: 2026-09-13 · Sources reviewed: 2026-09-13 · Next scheduled review: 2027-09-13.

Recheck access, closures, permissions and current source instructions before field travel.

More reviewed places in Bosnia and Herzegovina

Kreševski Citrin — Central Bosnia Crystal Heritage HubDeževice Geotrail & House of Minerals — Research / Visitor ContextBijambare Protected Landscape — Guided Karst Cave ViewingVjetrenica Cave, Ravno — UNESCO Protected Karst Viewing

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