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Coat of arms
Location of Oppenau within Ortenaukreis district
Oppenau in OG.svg
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Baden-Wuerttemberg location map.svg
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Coordinates: 48°28′25″N08°09′34″E / 48.47361°N 8.15944°E / 48.47361; 8.15944 Coordinates: 48°28′25″N08°09′34″E / 48.47361°N 8.15944°E / 48.47361; 8.15944
Country Germany
State Baden-Württemberg
Admin. region Freiburg
District Ortenaukreis
Subdivisionsfive Ortsteile
   Mayor Uwe Gaiser (Ind.)
  Total73.04 km2 (28.20 sq mi)
277 m (909 ft)
 (2018-12-31) [1]
  Density65/km2 (170/sq mi)
Time zone CET/CEST (UTC+1/+2)
Postal codes
Dialling codes 07804
Vehicle registration OG
Website www.oppenau.de
View on Main city Oppenau hauptstr.jpg
View on Main city

Oppenau is a town located in the state of Baden-Württemberg, Germany. It has a population of 4,700 inhabitants.

Baden-Württemberg State in Germany

Baden-Württemberg is a state in southwest Germany, east of the Rhine, which forms the border with France. It is Germany’s third-largest state, with an area of 35,751 km2 (13,804 sq mi) and 11 million inhabitants. Baden-Württemberg is a parliamentary republic and partly sovereign, federated state which was formed in 1952 by a merger of the states of Württemberg-Baden, Baden and Württemberg-Hohenzollern. The largest city in Baden-Württemberg is the state capital of Stuttgart, followed by Karlsruhe and Mannheim. Other cities are Freiburg im Breisgau, Heidelberg, Heilbronn, Pforzheim, Reutlingen and Ulm.

Germany Federal parliamentary republic in central-western Europe

Germany, officially the Federal Republic of Germany, is a country in Central and Western Europe, lying between the Baltic and North Seas to the north and the Alps, Lake Constance and the High Rhine to the south. It borders Denmark to the north, Poland and the Czech Republic to the east, Austria and Switzerland to the south, France to the southwest, and Luxembourg, Belgium and the Netherlands to the west.



Oppenau is situated in the Rench valley in the Black Forest. The nearest major cities are Offenburg and Freudenstadt.

Rench river in Germany

The Rench is a right-hand tributary of the Rhine in the Ortenau. It rises on the southern edge of the Northern Black Forest at Kniebis near Bad Griesbach im Schwarzwald. The source farthest from the mouth is that of the Schöngrundbächle which rises at a height of around 915 m above NN in the parish of Zuflucht near the old youth hostel. After flowing through its steep mountainside klinge it is joined by other streams to form, first, the Old (Alter), then the Wild Rench, which first becomes the Rench below Bad Griesbach. The Rench runs in a prominent southerly arc through the Central Black Forest and crosses the hilly region of Ortenau with its orchards and vineyards before breaking out into the Rhine Plain. After just under 57 km it discharges, together with the Mühlbach, into the Rhine at 314.7km between Helmlingen (Rheinau) and Lichtenau.

Black Forest mountain range in Baden-Württemberg, southwestern Germany

The Black Forest is a large, forested mountain range in the state of Baden-Württemberg in southwest Germany. It is bounded by the Rhine valley to the west and south. Its highest peak is the Feldberg with an elevation of 1,493 metres (4,898 ft). The region is roughly oblong in shape with a length of 160 km (99 mi) and breadth of up to 50 km (31 mi).

Offenburg Place in Baden-Württemberg, Germany

Offenburg is a city located in the state of Baden-Württemberg, Germany. With about 57,000 inhabitants (2013), it is the largest city and the administrative capital of the Ortenaukreis.


City gate Oppenau Stadttor.jpg
City gate

In the 12th century an agricultural settling made up the village Noppenouwe, which succumbed to the House of Zähringen until 1218. After they have been died out, the dominance in the Rench-valley was fragmented. The in 1192 in Lierbach founded All Saints’ Abbey took a high political, cultural and religious influence to Oppenau at this time. In 1316 bishops from the french Strasbourg started reign about the Rench-valley.

House of Zähringen dynasty

The House of Zähringen was a dynasty of Swabian nobility. Their name is derived from Zähringen castle near Freiburg im Breisgau.

Strasbourg Prefecture and commune in Grand Est, France

Strasbourg is the capital and largest city of the Grand Est region of France and is the official seat of the European Parliament. Located at the border with Germany in the historic region of Alsace, it is the capital of the Bas-Rhin department.

After the Reichsdeputationshauptschluss in 1803, Oppenau became part of Baden.

<i lang="de" title="German language text">Reichsdeputationshauptschluss</i>

The Reichsdeputationshauptschluss, sometimes referred to in English as the Final Recess or the Imperial Recess of 1803, was a resolution passed by the Reichstag of the Holy Roman Empire on 24 March 1803. It was ratified by the Emperor Francis II and became law on 27 April. It proved to be the last significant law enacted by the Empire before its dissolution in 1806.

In 1990, German politician Wolfgang Schäuble suffered an assassination attempt in Oppenau.

Wolfgang Schäuble German politician (CDU), President of the Bundestag

Wolfgang Schäuble is a German lawyer and politician of the Christian Democratic Union (CDU) party whose political career has spanned more than four decades. He is one of the most experienced and longest serving politicians in German history and since 2017 has been the President of the Bundestag.


Ruins of All Saints' Abbey Allerheiligen Klosterruine.jpg
Ruins of All Saints' Abbey

Oppenau's main attractions are the ruins of the All Saints' Abbey, which was destroyed by fire in 1804, and the All Saints Waterfalls close to them.

All Saints Abbey (Baden-Württemberg) monastery

All Saints' Abbey was a Premonstratensian monastery near Oppenau in the Black Forest in Baden-Württemberg, Germany.

All Saints Waterfalls German waterfalls

The All Saints Waterfalls are located in the Black Forest on the territory of the town of Oppenau in the German state of Baden-Württemberg at an elevation of about 500 m above NN. The Lierbach stream, also called the Grindenbach, cascades, as a natural waterfall, down seven steps, a total drop of 83 metres. Due to the scouring of the rocks under the cataract which have formed basin-like holes known as Gumpen or kolks), the falls are also called the Büttensteiner Waterfalls or Sieben Bütten.

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Maulbronn Place in Baden-Württemberg, Germany

Maulbronn is a city in the district of Enz in Baden-Württemberg in southern Germany.

Schemmerhofen Place in Baden-Württemberg, Germany

Schemmerhofen is a municipality ("Gemeinde") in the district ("Landkreis") of Biberach in Baden-Württemberg, Germany. Schemmerhofen is located in the Upper Swabia region of Baden-Württemberg.

Renchen Place in Baden-Württemberg, Germany

Renchen is a small city in Baden-Württemberg, Germany, part of the district of Ortenau.

Acher river in Germany

The Acher is a 53.6-kilometre-long river and right-hand tributary of the Rhine in the county of Ortenau, in the south German state of Baden-Württemberg. It flows in an northwesterly direction from the Black Forest to the Rhine, between the River Rench to the south and the River Oos to the north.

Kinzig (Rhine) river in Germany

The Kinzig is a river in southwestern Germany, a right tributary of the Rhine.

Schuttern Abbey was a Benedictine monastery in Schuttern, Baden-Württemberg, Germany.

Herrenalb Abbey former abbey in Germany

Herrenalb Abbey is a former Cistercian monastery in the present Bad Herrenalb in Baden-Württemberg, Germany.

The Rench Valley Railway is a 29.1 kilometre long branch line from Appenweier to Bad Griesbach (Schwarzwald), that mainly follows the valley of the River Rench in the Black Forest with maximum inclines of 1:99.

Kniebis mountain

The Kniebis is a 960-metre-high mountain ridge in the Black Forest and the name of a village to the south which is a dispersed settlement. The Kniebis mountain rises in the state of Baden-Württemberg, Germany.

Moos (mountain) mountain in Germany

The Moos is a mountain range in the Central Black Forest in southern Germany. Its highest points are the Siedigkopf and the Mooskopf, actually the Geisschleifkopf. The Moos is the local mountain or Hausberg of Gengenbach and Oppenau.

Ach (Blau) river in Germany

The Ach, also called Aach, is a river located in Baden-Württemberg, Germany. It flows into the Blau in Blaubeuren.


Lierbach is a river of Baden-Württemberg, Germany. It flows into the Rench in Oppenau.

Wittichen Abbey German abbey

Wittichen Abbey is a former Poor Clares abbey in Wittichen in a narrow side valley of the Kleine Kinzig stream near Schenkenzell in the upper Kinzig valley in the Black Forest.

Rench Valley Trail

The Rench Valley Trail is a 98-kilometre-long 'prestige hiking trail (Prädikatswanderweg) in the Central/North Black Forest Nature Park in Germany. It runs in five stages around the Rench valley with its start and finish near Oberkirch.


  1. "Bevölkerung nach Nationalität und Geschlecht am 31. Dezember 2018". Statistisches Landesamt Baden-Württemberg (in German). July 2019.