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Important Information at a Glance...
Arrival

The Feengrotten – a World of Experience – can be reached by bus, train or by car.

All these travel possibilities can be found here in summary.

We look forward to your visit.

Prices

SUMMER TICKET
Grottoneum - Feengrotten - Feenweltchen

Children 9,90 €
Adults 14,90 €

WINTER TICKET

Grottoneum - Feengrotten

Children 7,90 €
Adults 11,90

Opening Times

May - October
Feengrotten / Grottoneum/ Feenweltchen
Daily 9.30am to 5.00pm

November - April    
Feengrotten / Grottoneum
Daily 10.30am to 3.30pm


geology

The Feengrotten is located on the south-western outskirts of Saalfeld, in an area known today as Garnsdorf. The park is at the south-western edge of the Saalfeld Basin, which is crossed by a low mountain range, the Thüringian Slate Mountains.

The area surrounding the Feengrotten belongs, in a geological sense, to the South Thüringian-North Saxon Anticline Zone. It directly borders the north-eastern flank of the Schwarzburg Anticline, and lies to the north of the northern edge of the Thüringian Slate Mountains.

This anticline zone is from nil-to-weak metamorphic Neoproterozoic at core, and contains deposits from the beginning of the Cambrian period to the Devonian period, permeated with plutonic rocks.

The mountains near the Feengrotten are predominantly Palaeozoic, with occasional narrow, extending layers from the Ordovician and Silurian periods. Alum shale and radiolarite seams predominate, in which the grotto mine is also found. Silurian limestone, as well as Ordovician slate, is secondary. Leached diabase intrusions are also found, although very rarely and of low strength.

The majority of seams stretch from northwest to southeast and fall within 15 - 55° north-east. In the lower graptolite shales, the strike and dip angles are variable because of intensive folding in the stone. The folds result from carbon introduced during the formation of the mountain.

Due to these difficult rock formations, the removal of alum shale was conducted in two depressions, which were separated from each other by the arch uplift of the slate. The first and the second seams were mined in the south-eastern depression; in the northern, the third.

However, the folds in the rock and the slate processes also caused the brittle slate to split unevenly. Over time, these rifts were naturally re-joined by quartz.

Buried fossils found in the Silurian layers are Graptolites – worm-shaped sea dwellers that lived together in colonies. Their species variety is amply represented in the Feengrotten.

The area around Saalfeld and the Saalfeld Basin is famous for its geological variations. Alongside layers from the Jurassic and Cretaceous periods, as well as the Precambrian, all geological formations are represented to some degree.

The most interesting surface geotope is the Bohlenwand (“sheeted plank wall”) – a natural geological outcrop that is predominantly Late Devonian and Mississippian (Dinantian). It has long been noted in international scientific circles, and is located direct on the B85, direction Kronach.

Saalfelder Feengrotten und Tourismus GmbH, Feengrottenweg 2, D-07318 Saalfeld | Tel +49 3671 55040 | Fax +49 3671 550440
Contact: kundenservice@feengrotten.de