View source for Ahlsburg

{{short description|Hill range in Germany}}
{{Infobox mountain range
| name = Ahlsburg
| map = Germany Lower Saxony
| map_caption = 
| photo = NOAhlsburg.jpg
| photo_caption = Northeast side of the Ahlsburg ridge
| state = [[Landkreis Northeim|Northeim county]], [[South Lower Saxony]], [[Germany]]
| parent = [[Solling]] Foreland, [[Weser-Leine Uplands]]
| location = 
| geology = 
| period = 
| area_km2 = 
| orogeny = 
| highest = [[Sackberg (Ahlsburg)|Sackberg]]
| elevation = {{Höhe|411.4|DE-NHN}}
| length_km = 7
| range_coordinates = {{coord|51.74611|N|9.820056|E|region:DE-NI_type:mountain|format=dms|display=inline,title}}
| coordinates       = 
| coordinates_ref   = 
}}
The '''Ahlsburg''' is a range of [[bunter sandstone]] hills, relatively small in area and up to {{Höhe|411.4|DE-NN|link=true}},<ref name="BerghöheUQ" /> in the southern part of [[Lower Saxony]], [[Germany]]. It lies within the [[Solling]] foreland and is part of the [[Weser-Leine Uplands]].<ref name="GGA" />

== Geography ==
The Ahlsburg hills run in a northwest to southeast direction and are around 10&nbsp;km long and up to about 3&nbsp;km wide. They are heavily wooded and belong to the [[Leine Uplands]]. They are located in the district of [[Landkreis Northeim|Northeim]] southeast of [[Dassel]], east of the [[Solling]], south of [[Einbeck]] and the valley of the [[Ilme]], west of [[Northeim]] and the [[Leine (river)|Leine]] valley and north of [[Moringen]] and northeast of [[Fredelsloh]].

=== Natural regions ===
The Ahlsburg is grouped within the following natural regions:<ref name="BfL-099" />
* (to 37 [[Weser-Leine Uplands]])
** (to 371 [[Solling Foreland]])
*** 371.1 South Solling Foreland
**** 371.12 '''Ahlsburg'''

== Hills ==
The following [[hill]]s and elevations belong to the Ahlsburg ridge – with their heights in metres above sea level ([[Normalnull]] or NN):

{{colbegin}}
* Sackberg (411.4 m)<ref name="BerghöheUQ" /> 
* Ochsenberg (371.5 m)<ref name="NatErlNi" />
* Ducksteinberg (360.1 m){{GeoQuelle|DE|BFN-Karten}}
* Eichfast (355.5 m)<ref name="NatErlNi" />
* Südlieth (325.9 m){{GeoQuelle|DE|BFN-Karten}}
* Weidenberg (317.5 m<!--with "BFN" elevation 308.7-->)<ref name="NatErlNi" /> 
* Iberg (303.0 m){{GeoQuelle|DE|BFN-Karten}}
* Klagesberg (298.2 m){{GeoQuelle|DE|BFN-Karten}}
* unnamed hill, site of [[Grubenhagen Castle (Einbeck)|Grubenhagen Castle]] (298.0 m)
* Böllenberg (297.5 m)<ref name="NatErlNi" />
* Wolfsberg (297.5 m)<ref name="NatErlNi" /><br /><small>Subpeaks from southeast to northwest:</small>
** Bärenberg/Bährenberg (262.5 m)<ref name="NatErlNi" />
** Grundberg (257.5 m)<ref name="NatErlNi" />
** Kahlenberg (247.5 m)<ref name="NatErlNi" />
** Lith (262.5 m)<ref name="NatErlNi" />
** Ziegenberg (250.3 m){{GeoQuelle|DE|BFN-Karten}}
** Wellerser Dicke (237.5 m)<ref name="NatErlNi" />
* Vorberg (289.1 m){{GeoQuelle|DE|BFN-Karten}}
* Behrensberg (277.9 m){{GeoQuelle|DE|BFN-Karten}}
* Drogenberg (247.5 m)<ref name="NatErlNi" />
* Katenstein (240.7 m){{GeoQuelle|DE|BFN-Karten}}
{{colend}}

== Streams ==
The following streams flow in and around the Ahlsburg (all in the catchment area of the [[Leine (river)|Leine]]): 
* [[Bölle (Leine)|Bölle]] (rises on the southern edge of the ridge, passes its southern foothills and is a western tributary of the Leine) 
* [[Dieße]] (rises on the eastern edge of the Solling, passes the western slopes of the ridge and is a south-southwestern tributary of the Ilme) 
* [[Ilme]] (passes the ridge some way to the north and is a western tributary of the Leine) 
* [[Leine (river)|Leine]] (passes the ridge some way to the east and is a southern tributary of the [[Aller (Germany)|Aller]]) 
* Rebbe (rises in the central part of the ridge and is a southern tributary of the Ilme) 
* Rotte (rises north of the ridge and is a southern tributary of the Ilme)
* Hane (rises in the central part of the ridge and is a southern tributary of the Dieße)

== Places of interest ==
Places of interest in and on the Ahlsburg ridge – with heights in metres above sea level ( [[Normalnull|NN]]) - include: 
* [[Grubenhagen Castle (Einbeck)|Grubenhagen Castle]] (298.0 m)
* [[Fredelsloh]] (ca. 270 m; art and pottery village)
* Kaisereiche (ca. 240 m)
* Quastbuche (331 m)
* Stahlbuche (ca. 310 m)
* [[Bengerode]] ruined village (ca. 265 m; [[medieval]] pottery settlement) 

== Footnotes and references ==
<references>
<ref name="BerghöheUQ">Maximum height of the ''Ahlsburg'' ridge and name ''Sackberg'' according to unknown source</ref>
<!---->
<ref name="NatErlNi">[[Topographical map]] with the [http://www.natur-erleben.niedersachsen.de/karte/link-karte-3555612-5735090-6-17.html Ahlsburg] {{Webarchive|url=https://web.archive.org/web/20160219131849/http://www.natur-erleben.niedersachsen.de/karte/link-karte-3555612-5735090-6-17.html |date=2016-02-19 }} (DTK&nbsp;25; for hill heights<!--mostly based on the highest contour--> see enlargement of the map), at natur-erleben.niedersachsen.de</ref>
<!---->
<ref name="GGA">[https://books.google.com/books?id=OJ46AQAAIAAJ&q=Ahlsburg+buntsandsteinkamm Göttinger Geographische Abhandlungen], Issues 36–38, 1966, p.&nbsp;110</ref>
<!---->
<ref name="BfL-099">Jürgen Hövermann: ''Geographische Landesaufnahme: [[Handbuch der naturräumlichen Gliederung Deutschlands#Einzelblätter|The natural region units on Sheet&nbsp;99]] Göttingen.'' Bundesanstalt für Landeskunde, Bad Godesberg, 1963. →&nbsp;[http://geographie.giersbeck.de/karten/099.pdf Online-Karte] (pdf; 4.1&nbsp;MB)</ref>
</references>

== External links ==
{{Commonscat}}

[[Category:Central Uplands]]
[[Category:Forests and woodlands of Lower Saxony]]
[[Category:Hill ranges of Lower Saxony]]
[[Category:Natural regions of the Weser-Leine Uplands]]