REVIEWED LOCATION

Tytyri Mine Experience Rockhounding Status & Field Guide

A deep underground geology and mining-history visitor experience in Lohja, included as viewing context rather than a collecting location.

Protected / viewing statusVery high evidenceentrance map precisionCurrent review cycle freshness
Important: Viewing only: this record does not represent recreational collecting inside or around the working mine environment.

What is here

limestone/calcite mining environment

Materials / interest: Calcite

Collecting and access

Geology and mining-history viewing only; no specimen collecting represented

Use the official Kuilukatu 42 visitor entrance and current ticket/opening instructions.

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

Safety

Nearly 100 metres underground; follow visitor-mine safety instructions and clothing guidance.

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 Finland

Lampivaara Amethyst MineYlämaa Spectrolite Quarry Gem TourKemi Gemstone ExhibitionOutokumpu Old Mine & Mining Museum

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