Interactive 50-state rockhounding map, locations, rules and field guides
REVIEWED LOCATION
Kirkilai Karst Lakes — Protected Gypsum-Karst Viewing Rockhounding Status & Field Guide
Kirkilai is one of Lithuania’s clearest public examples of active gypsum karst, with dozens of water-filled sinkholes visible from a dedicated observation tower. It is mapped as protected geologic viewing, not a mineral collecting site.
Protected / viewing statusVery high evidenceviewpoint map precisionCurrent review cycle freshnessImportant: Do not dig, extract gypsum or enter unstable sinkholes.
What is here
active gypsum-karst sinkhole lakes formed by dissolution of Upper Devonian gypsum-bearing strata
Materials / interest: Gypsum
Collecting and access
Protected landscape viewing only. No digging, gypsum extraction or specimen removal is represented.
Use the official observation tower and educational trail.
Detailed status
viewing
Permission
Not flagged
Permit
Not flagged
Fee
Not flagged
Guide
Not flagged
Booking
Not flagged
Surface collecting
no
Hammering
no
Digging
no
Safety
Karst ground can collapse unpredictably; stay on established paths and do not enter fresh sinkholes.