Wachtberg

Wachtberg
Municipality
The water castle Adendorf
The water castle Adendorf
Flag of Wachtberg
Flag
Coat of arms of Wachtberg
Coat of arms
Rhineland-PalatinateBonnCologneEuskirchen (district)Oberbergischer KreisRheinisch-Bergischer KreisRhein-Erft-KreisAlfterBad HonnefBornheim (Rheinland)EitorfHennef (Sieg)KönigswinterLohmarMeckenheimMuchNeunkirchen-SeelscheidNiederkasselRheinbachRuppichterothSankt AugustinSiegburgSwisttalTroisdorfWachtbergWindeck
Location of Wachtberg within Rhein-Sieg-Kreis district
Interactive map of Wachtberg
Wachtberg is located in Germany
Wachtberg
Wachtberg
Location within Germany
Wachtberg is located in North Rhine-Westphalia
Wachtberg
Wachtberg
Location within North Rhine-Westphalia
Coordinates: 50°37′N 07°08′E / 50.617°N 7.133°E / 50.617; 7.133
CountryGermany
StateNorth Rhine-Westphalia
Admin. regionKöln
DistrictRhein-Sieg-Kreis
Subdivisions13
Government
 • Mayor (2020–25)Jörg Schmidt (CDU)
Area
 • Total
49.68 km2 (19.18 sq mi)
Elevation
75–269 m (246–883 ft)
Population
 (2025-12-31)
 • Total
20,230
 • Density407.2/km2 (1,055/sq mi)
Time zoneUTC+01:00 (CET)
 • Summer (DST)UTC+02:00 (CEST)
Postal codes
53343
Dialling codes0228 (Bonn),
02225 (Meckenheim)
Vehicle registrationSU
Websitewww.wachtberg.de

Wachtberg (German pronunciation: [ˈvaxtbɛʁk]) is a municipality in the Rhein-Sieg district, of North Rhine-Westphalia, Germany. It is situated approximately 15 km south of Bonn. In December 2025 the Wachtberg municipality had 20,230 inhabitants.

Geology

Geological situation

Wachtberg is located on the left bank of the Rhine between the Kottenforst forest to the north, the Voreifel to the west, the lower Middle Rhine Valley to the east and the Ahrgebirge to the south. The municipality was named after one of its highest points, the Wachtberg, located between Berkum and Villip (extinct for 25 million years, now with a height of 258 m).

Political division

The municipality was formed in 1969 with the Bonn Act (formally Gesetz zur kommunalen Neugliederung des Raumes Bonn, abbreviated as the "Bonn-Gesetz") and merged 13 now incorporated villages:

Until then, most of the villages belonged to the so-called "Amt Villip"; Adendorf, Arzdorf and Fritzdorf were added to the newly founded municipality by the town of Meckenheim. Niederbachem is the biggest village within Wachtberg with 4276 inhabitants (July 2018).

The town-hall is in the village of Berkum, approximately in the center of the area. The Rodderberg mountain is in the east of the Wachtberg district.

Population

Landmarks

The water castle Gudenau

Four water castles are still inhabited:

Several water mills are situated on the streams, of which the Broicher Mühle near Villip is in continuous use since 886.

At the top of the mountain Wachtberg there is a cenotaph, built in 1923 by 10 of the 13 villages.

The water castle Adendorf

The radome near Berkum has a diameter of 49 m.

In contrast to this several villages have ensembles of timber framed houses.

References

  1. ↑ Wahlergebnisse in NRW Kommunalwahlen 2020, Land Nordrhein-Westfalen, accessed 29 June 2021.
  2. ↑ "Bevölkerung der Gemeinden Nordrhein-Westfalens am 31. Dezember 2025 – Fortschreibung des Bevölkerungsstandes auf Basis des Zensus 2022" (in German). Landesbetrieb Information und Technik NRW.
  3. 1 2 "Landesdatabank Nordrhein-Westfalen Tabelle 12411-01i: Bevölkerungsstand - Gemeinden - Stichtag". Retrieved 26 August 2026.