The approx. 20 m high north wall of the quarry opens up heavily weathered, yellowish-green-gray suevite.
Only with evidence of high pressure minerals could the volcano theory be refuted and the impact theory valid today confirmed.

Accessible all year round

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Roland 🎒📸🥾

March 30, 2025

Hiking

The Nördlingen St. George's Church with its tower "Daniel" and many other Nördlingen buildings were built from the suevite rock mined here.

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KISS

November 18, 2017

Hiking

Due to the rocks found in the Ries, especially the Suevits, the Ries was initially considered to be a volcanic structure. Only in 1960 could it be proven that they are remnants of a 14.6 million year old impact crater, which originated during the Ries event.

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Routes here

Best Hikes to Historic Suevite Quarry at Alte Bürg

4.8

(30)

115

hikers

1. Great and Small Ofnet Caves – Ofnet Caves loop from Utzmemmingen

7.94km

02:13

150m

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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Moderate

4.7

(15)

hikers

2. View of the Ofnet Caves – View of the Ofnet Caves loop from Holheim

10.6km

03:03

250m

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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Moderate

4.6

(27)

101

hikers

3. Lindle Quarry (Geopark Ries) – Great and Small Ofnet Caves loop from Alte Bürg

10.9km

03:04

220m

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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Moderate

Details

Informations

Elevation 510 m

Weather

Monday 26 January

2°C

-7°C

0 %

Additional weather tips

Max wind speed: 9.0 km/h

Most visited during

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Location: Riesbürg, Danube-Ries, Altmühltal, Upper Bavaria, Bavaria, Germany

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Historic Suevite Quarry at Alte Bürg

1. Great and Small Ofnet Caves – Ofnet Caves loop from Utzmemmingen

2. View of the Ofnet Caves – View of the Ofnet Caves loop from Holheim

3. Lindle Quarry (Geopark Ries) – Great and Small Ofnet Caves loop from Alte Bürg

Other Popular Places to Check Out

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