Østmarka

Østmarka is a forested area to the east of Oslo and part of the congregation of woodland areas known as Oslomarka. The area is situated within the municipalities Oslo, Lørenskog, Rælingen, Ski and Enebakk. Østmarka is delimited to the west by populated areas of Oslo, to the north of communities of Skårer, Lørenskog and Rælingen and to the east by the lake Øyeren, to the south-east lies Enebakk and to the south-west Sørmarka, another forested area. [1][2]

Map of Oslomarka

The change from Østmarka to Sørmarka takes place at the lake Langen. Østmarka is marked by its location on top of basement rock (more than 1 billion years old) containing easy-to-see folds that make up valleys and hills in the north-south direction. For this reason the terrain has a lot of hills, no matter where one goes.

Along the upper marine border (about 210 meters) the ice of the last ice age has left large amounts of gravel and sand. Sand, Sandbakken ("Sandy Hill"), Sandbekken ("Sandy Creek") and Grusbakken ("Gravel Hill") are all on about the same elevation. The sand mines at Ødegården have been left there by the ice. Beach snails have been found at Lutvann at an elevation of 200 meters.

Nature reserve

Østmarka nature reserve has an area of 12.5 square kilometers. It received its status in 1990 and was expanded in 2002. The purpose of the protection is the conservation of a substantial, relatively untouched coniferous forest along with plant and animal life typical for this part of Oslomarka, and which has particular scientific and educational significance. The bulk of the reserve is located in Rausjømarka and is owned by the municipalities Oslo, Lørenskog and Rælingen.

Farms, cabins and restaurants in Østmarka
  • Mariholtet
  • Østmarkskapellet
  • Rustadsaga
  • Skullerudstua
  • Sandbakken
  • Vangen
  • Losby
  • Larsbråten
  • Skjelbreia
Østmarka seen from Kjerringhøgda looking north

Highest peaks
RankNameElevation
(MASL)
1Barlindåsen Rælingen398
2Bjørnåsen (Bjønnåsen) • Rælingen396
3Ramstadslottet • Rælingen394
4Hektnerhøgåsen • Rælingen377
5Vardåsen • Enebakk374
6Fageråsen • Enebakk373
7Marikollen Rælingen370
8Tonekollen • Enebakk368
9Puttåsen • Oslo363
10Svartåsen (•) Lørenskog361
11Tronfjellet (•) Lørenskog359
11Skarpdunderen Lørenskog359
13Hengeberget • Enebakk358
13Mortvassåsen • Lørenskog358
15Haukåsen Oslo357
16Haugerkollen • Lørenskog353
17Snellås • Rælingen350
18Kjerringhøgda • Enebakk349
18Lisæterkollen • Lørenskog349
20Langmyråsen Rælingen346
20Mønekollen Lørenskog346
22Linfjellet • Lørenskog345
22Pipåsen • Enebakk345
22Grinderkollen • Enebakk345
25Sæterkollen Lørenskog344
26Svartåsen • Enebakk343

(•) signifies that the trigonometric point is not situated on the peak's highest point.

Largest lakes
Nord-Elvåga
Nøklevann
NameArea (km2)
Børtervann2.58
Langen1.49
Nord-Elvåga1.39
Nøklevann0.79
Nordbysjøen0.75
Bindingsvannet0.61
Mosjøen0.55
Sværsvann0.47
Lutvann0.41
Geitsjøen0.36
Skålsjøen0.32
Gjeddevannet0.29
Halsjøen0.28
Ramstadsjøen0.27
Mønevann0.26
Nordre Krokvannet0.22
Søre Krokvannet0.22
Tonevann0.21
Røyrivann0.17
Morterudvann0.16
Tappenbergvannet0.15
Åmotdammen0.15
Myrdammen0.07
Steinsjøen0.07
Motre Krokvannet0.03

Plank Road

During the period when small sawmills were being increasingly used throughout the forests of Oslomarka and the timber export became a substantial industry - from ca 1750 and well into the 19th century - this engendered a big need for transportation. In Østmarka alone there were over 2,000 drivers and 4-5000 horses occupied with moving planks between Øyeren and Kristiania (today Oslo). It was too long to drive from Enebakk via Øyeren and Strømsveien to get to Kristiania. This is why the Plank Road was built. The Plank Road starts at Eikeberg and Børter in Enebakk - it crosses the ice on Børtervann and moves up to Rausjø and turns up towards Vangen and Skjelbreia, further over Eriksvann, Søndre Skytten, Elvåga, across to Nøklevann, Rustadsaga, Østensjøvannet and down to the city. The Plank Road is today open and tagged as a ski track.

gollark: Interesting.
gollark: If it's behind the other router, then probably not; if it directly communes with the other end via the telephone line or whatever, yes.
gollark: What do you mean exactly?
gollark: Which is about the same cost as an integrated magic routermodemuous box because economies of scale and thing sharing.
gollark: They're something like £25 for an average [AV]DSL2? one.

See also
  • Haukåsen radar

References
  1. Knut Are Tvedt. "Østmarka". Store norske leksikon. Retrieved October 1, 2016.
  2. Knut Are Tvedt. "Oslomarka". Store norske leksikon. Retrieved October 1, 2016.

Other sources
  • Østmarka fra A til Å, by Even Saugstad, ISBN 82-995415-0-6.

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