Gemstone mines in the Steinkaulenberg

In Europe’s only gemstone mine open to the public , the  Gemstone Mine Steinkaulenberg in Idar-Oberstein is where the journey through a fascinating world of splendour and treasures begins. Sparkling amethysts, rock crystals, agates, quartz and much more are just waiting to be discovered. As you walk through the 400-metre-long visitor tunnel,expert guides will point out the gemstones that have formed in the bedrock over millions of years.

The gemstone mine is accessible via thegeological nature trail, about a 15-minute walk.

Opening hours

From 15 March to 15 October open daily from 10 am - 5 pm
Last tour at 4 pm

Registration for groups under Phone +49 (0)6781-47 400  


Ticket prices

Children up to 6 years: free
Adolescents (6-16 years): € 5.50
Adults: € 7.00
Discounted price (students, handicapped, unemployed, community service workers): € 5.50

Group rates with guided tour 

Children up to 6 years: € 4.00
School children as a class: € 5.00
Adults (from 10 persons): € 6.00

Edelsteinmine Steinkaulenberg
Im Stäbel
55743 Idar-Oberstein
Phone: +49 (0)6781-47400