Altenau ([ˈaltə.naʊ] ) is a town and a former municipality in the district of Goslar, in Lower Saxony, Germany. Since 1 January 2015 it is part of the town Clausthal-Zellerfeld.

It is situated in the middle of the Harz mountains, between Clausthal-Zellerfeld and the Brocken. It was part of the former Samtgemeinde ("collective municipality") Oberharz.

The place is centrally located in the Upper Harz. Clausthal-Zellerfeld in the west is about ten kilometers, Goslar in the north about 15 km and Osterode am Harz in the southwest about 25 km away. To the east of the mountain town, twelve kilometers away, is the summit of the Brocken, which can be seen from many places in Altenau. The Oker flows through Altenau from south to north . Other streams flow into the Oker in the urban area and give Altenau a townscape with numerous valleys and hilltops. The area is heavily forested.

The Torfhaus settlement about ten kilometers away belongs to Altenau . This is at the highest point of the B 4 at about 800 m above sea level and consists mainly of tourist businesse. Torfhaus is located in the Harz National Park.

It was built together with the Sperberhaier dam in the years 1732–1734, which closed a gap in the Upper Harz water shelf and bridged a shallow valley basin at a height of up to 16 m. Most of the original house has been preserved. The dam house was originally built for the miners who used it as a changing room and prayer house. Later it was used as an official residence for the trench keeper. In the further course the dam house, also known under the names "The foal house on the Sperberhaier" and "Sperberhaier Zechenhaus", served to supply forest workers and hikers.

The Bastesiedlung is a former lumberjack settlement between Bad Harzburg and Torfhaus in the Goslar district in the Harz region . It consists of about six residential buildings and had 18 residents in 2012.

The Baste forest workers' settlement is located north of the Torfhaus district on Bundesstraße 4 and comprises six timber-framed half-timbered houses that were built between 1949 and 1950. The buildings are under monument protection.

Gemkenthal It is located on the B 498 directly at the Okertalsperre . The center of Altenau is about four kilometers south, while the Goslar district of Oker (Goslar) is ten kilometers north.

Gemkenthal consists of an inn. In addition, a sailing club.

Altenau is an old mining town.1227 First mentioned in connection with mining. In 1298 there was a smelting company in the Tischlertal, which was handed over to the Goslarer Burchard Erhaftig by Burchard von Wildenstein. This hut stands in 1310 and is run by Albrecht Colven. 1412 Construction of a house "Altenah" by the Duke of Braunschweig. 1525 citizens of Altenau join forces to form a shooting society. 1532 mention of a mine in Altenau. 1540 Start of mining at the Gang treasury and other pits.1570 Start of mining at other pits 1580 First mentioned as Bergflecken, 20 houses, today Rotenberger Straße and Oberstraße crossing the treasury. 1584 Ironworks to the favor.1588 Documentary mention of a church 1594 mention of 35 houses. Duke Wolfgang gave the place the directionality 1603 Already 50 buildings are mentioned 1606 Construction of the first town hall 1610 Previous construction of a silver smelter 1617 Elevation of Altenau to town 1636 Altenau fell to Duke August zu Braunschweig-Lüneburg-Celle 1636 Altenau became a free mining town 1642 Construction of the steeple of the later St. Nikolai Church 1653 50 houses are counted 1665 Altenau finally came to Hanover after disputes over inheritance 1669 Construction of the St. Nikolai Church in place of the previous building, located between the two settlement centers of the city 1673 Construction of today's town hall 1691 New construction of the silver smelter 1698 930 inhabitants are counted 1711 Start of mining at the Silberlilie mine December 18, 1729 flood of the Oker 1740 1400 inhabitants are counted 1746 closure of the pits on the Gerlachsbach 1748 Closure of the Güldener Hirsch mine 1762 Closure of the Green Treasury and Rose 1773 The silver lily pit is closed 1777 Johann Wolfgang von Goethe stays in Altenau July 6, 1794 a large fire destroyed 29 houses in the Breite Strasse 1794 Construction of a fiscal ironworks below the silverworks 1813 1174 inhabitants and 165 houses are counted 1871 cessation of the ironworks 1901 Foundation of the volunteer fire brigade 1911 closure of the silver smelter 1914 Connection of Altenau to the Innerstetalbahn 1972 Administrative community within the joint municipality of Upper Harz 1972 Construction of the holiday park "Glockenberg" 1977 Closure of the Innerstetalbahn 2015 The mining town of Altenau is dissolved. On January 1, 2015, the Upper Harz municipality and its affiliated municipalities, Bergstadt Altenau, Bergstadt Clausthal-Zellerfeld, Bergstadt Wildemann and Schulenberg im Oberharz, were dissolved by state law and the new mining and university town of Clausthal-Zellerfeld was formed from the previously independent municipalities. Previously, 62% of the Altenauers who voted had spoken out against it in a public survey; however, according to a clause in the statutes, the result was not binding on the council. Since then, the previous mountain town of Altenau and the previous community of Schulenberg in the Upper Harz have formed the joint village of Altenau-Schulenberg in the Upper Harz with a local council.

Year Inhabitants 1580 120 1594 210 1603 350 1620 420 1653 500 1688 924 1698 930 1740 1,488 1770 1,156 1780 1,106 1786 1,007 1791 1,060 1812 1,184

Year Inhabitants 1821 1,244 1830 1,609 1835 1,649 1848 1,963 1852 1,910 1871 2,179 1885 2,145 1905 2,091 1910 1,823 1917 1,437 1925 1,914 1933 1,947 1939 2,505

Year Inhabitants 1946 2,744 1950 2,717 1956 2,442 1961 2,304 1968 2,209 1970 2,250 1975 2,500 1980 2,522 1985 2,541 1990 2,405 1995 2,287 2000 2,146 2005 1,980

Year Inhabitants 2010 1,770 2013 1,643 2018 1,758

Altenau is today a climatic health resort. The city is characterized by old miners' houses from the time when Altenau was a free mining town. The use of wood as a building material is typical of the region. In the town is the small wooden church of St. Nikolai, which was built in 1669. The architectural style of the houses is well adapted to the harsh winters and has an architectural style typical of the Harz region. To the south of the town center is the Schützenklippe, from which there is a panoramic view of the town.

In 2004 the largest herb park in Germany was opened in Altenau . Many thousands of tourists visit the year-round cultivated botanical garden, which shows a multitude of varieties. The wood carving workshop on Hüttenstrasse, set up by the folk artist Richard Meier in 1958, offers typical Harz and Erzgebirge wooden products as well as several dioramas with moving figures.

Other sights can be reached on foot via hiking trails. One comes across the Harz Witches to Dammgraben with the Dammhaus and the Polsterberg Pumphouse . Furthermore, hiking trails lead to the Kellwassertal at the Vorsperre to the Okertalsperre and to Torfhaus in the Harz National Park. The Heimatstube in Altenau offers an insight into the history of the Upper Harz. The exhibition there is dedicated to the presentation of the living conditions in the Upper Harz, which were strongly influenced by mining and the professions that depend on it - metallurgy, forestry, charcoal-burning and haulage. An important focus of the collection is the life's work of the artist Karl Reinecke-Altenau .

Regular events Walpurgis Night (every April 30) Hubertus Week (mid-September) Torchlight walks Altenauer Heimatfest (every five years) Oktoberfest of the fire brigade Overall Harz yodelling competition (took place in Clausthal-Zellerfeld until 2019) The place is one of the eight places in which the tradition of the finch maneuver in the Harz, which has been recognized as an intangible world cultural heritage since 2014, is still cultivated. Winter market

• The former railway station of Altenau, a wooden building dating from 1914

• Wilhelm Knop
• Adolf Knop
• Hermine Hartleben

2006 local elections:

• SPD: 7 seats (54.16%)
• CDU: 6 seats (45.84%)

1856 Tolle (first mayor) 1878 Rössing 1879 Jordan 1890 Hodann 1894 Aderhold 1896 king 1904 Schmidt 1908 (February 17) Dr. Angel 1913 angel 1915 custom 1918 Unoccupied 1919 Cooper 1931 Breyel 1946-1948 Tosch 1948-1953 Heins 1950 Heins (Mayor), Breyel (City Manager) 1953–1956 squire 1956–1971 forester 1971–1976 Biegholdt 1976-1981 Loikkasek 1981–1986 Biegholdt 1986–1991 Schierloh 1991-2005 Gerhard Lindemann since 2005 Alexander Ehrenberg

The Protestant majority of the population is organized in the parish of St. Nikolai, the center of which is the St. Nikolai Church, built in 1669 in the center of Altenau. The parish today belongs to the Clausthal-Zellerfeld parish, which also includes the St. Petrus Chapel in Schulenberg .

The Catholic St. Oliver Church from 1979 is located on the Glockenberg. Today the church belongs to the parish of Clausthal-Zellerfeld.

The Altenauer brewery, formerly Paul Kolberg GmbH & Co. KG, was taken over by the Klostergutsbrauerei Wöltingerode GmbH with effect from August 1, 2012 . Its sole shareholder is the General Hanover Monastery Fund, represented by the Hanover Monastery Chamber . The brewery currently has an annual output of around 8,000 hectoliters of beer, which is brewed in eight variants, and 3,000 hectoliters of non-alcoholic beverages.

There are also numerous companies that can be attributed to tourism, such as hotels, guest houses, holiday apartments, restaurants and the corresponding retail trade.

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  In Altenau you will find a Police and Firestation, a Doctors Office, Drugstore.

Altenau is on the federal road 498, which leads from Goslar to Osterode . Via an approximately eight kilometer long and up to nine percent steep country road, the "Steile Wand", you can access the B 4 in Torfhaus .

Buses of the regional bus Braunschweig (RBB) and the HarzBus drive to Goslar, Clausthal-Zellerfeld and Sankt Andreasberg . Altenau is also the end point of a long-distance bus line from Berlin, the so-called BEX bus line.

Until 1976, Altenau station was the end of the Innerstetalbahn, the other end of which was in Langelsheim . In 1977 a last train ran the route. This route was closed for cost reasons. The tracks have been completely removed, the route now serves as a cycle path and cross-country ski run.

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  Town center
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  Saint Oliver Church
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  Side building, former railway station
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  wood carving workshop
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  former Railway Station
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  Town

• Samtgemeinde Oberharz (in German)