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Norway Norway forest

Trandumskogen

Tommy Gildseth · CC BY 3.0

50% trees around it and 1,051 species recorded.

60Forestyas Score

ForestFungiBirdsWildlife

  • trees within 3 km50%
  • wild within 10 km70%
  • species recorded1,051
  • Altitude208 m

The forest around

50% trees.

Read like the rings of a cut trunk: from the centre out, the land within 1, 3, 6 and 10 km, coloured by what covers it.

Trees 77%Grassland 10%Water 0%Bare ground 1%Cropland 6%Built-up 5%Trees 46%Grassland 12%Water 4%Bare ground 1%Cropland 19%Built-up 19%Trees 60%Grassland 9%Wetland 0%Water 0%Bare ground 2%Cropland 18%Built-up 11%Trees 58%Grassland 8%Water 4%Bare ground 0%Cropland 25%Built-up 5%50%trees · 3 km

Trees, ring by ring

  • 0–1 km77%
  • 1–3 km46%
  • 3–6 km60%
  • 6–10 km58%

What covers the land (1–3 km)

  • Trees46%
  • Grassland12%
  • Water4%
  • Bare ground1%
  • Cropland19%
  • Built-up19%

ESA WorldCover 2021 (10 m, from Sentinel satellites), sampled every 120 m. A clearing, a road or a lake counts as what it is.

Who lives here

1,051 species recorded.

The plants, fungi, birds and mammals people have recorded here most often.

Bigleaf lupine
Bigleaf lupineLupinus polyphyllus1,091 recordsJoe Mabel (on Flickr as Joe Mabel from Seattle, US) · CC BY-SA 3.0
Red-berried Elder
Red-berried ElderSambucus racemosa203 recordsAlgirdas at Lithuanian Wikipedia · CC BY-SA 3.0
Canada goldenrod
Canada goldenrodSolidago canadensis192 recordsGeorg Slickers · CC BY-SA 4.0
Field scabiosa
Field scabiosaKnautia arvensis110 recordschelo Vechek / talk · CC BY-SA 4.0
Field cudweed
Field cudweedFilago arvensis95 recordsFornax · CC BY-SA 3.0
Bittercress
BittercressBarbarea vulgaris84 recordsDidier Descouens · CC BY-SA 4.0
White Sweet-clover
White Sweet-cloverMelilotus albus78 recordsIvar Leidus · CC BY-SA 3.0
Coltsfoot
ColtsfootTussilago farfara77 recordsAndreas Trepte · CC BY-SA 2.5
Tansy
TansyTanacetum vulgare73 recordsIvar Leidus · CC BY-SA 3.0
Red Clover
Red CloverTrifolium pratense71 recordsIvar Leidus · CC BY-SA 4.0
Brown Birch
Brown BirchBetula pubescens68 recordsDirk Ingo Franke · CC BY-SA 2.0
Mountain arnica
Mountain arnicaArnica montana67 recordsW. Bulach · CC BY-SA 4.0

Open records within 5 km (GBIF, licensed for any use). Busy places are better recorded than remote ones.

In numbers

The forest, measured.

60out of 100

Our own rating, from open data only: tree cover (40 points), wildness (20), species recorded (30) and protection or heritage (10).

  • 50%Treesof the land within 3 km
  • 70%Wildno towns or farmland within 10 km
  • 1,051Speciesrecorded more than once within 5 km
  • 208 mAltitudeabove the sea

When to walk

Best for walking from June to August.

How good each month is for a walk: mild days and little rain make the bar taller.

  1. Jan-3°-8°80 mm
  2. Feb-2°-8°62 mm
  3. Mar2°-5°57 mm
  4. Apr9°0°62 mm
  5. May14°5°93 mm
  6. Jun18°10°94 mm
  7. Jul20°12°112 mm
  8. Aug19°11°125 mm
  9. Sep15°7°96 mm
  10. Oct8°2°106 mm
  11. Nov2°-2°98 mm
  12. Dec-2°-7°81 mm
  • Bar: walking comfort; the number on top is the average maximum.
  • Below: average minimum (NASA, 1991–2020).
  • Rain: monthly total.

The place

Trandumskogen.

Forest and Nazi mass grave site in Norway

Trandumskogen is a forest in Norway, 208 m above the sea.

Seen from space, 50% of the land within 3 km is trees, and 70% of the land within 10 km has no towns or farmland.

1,051 species have been recorded around it: 479 plants, 373 fungi, 178 birds and 21 mammals.

The most recorded plants are: Bigleaf lupine, Red-berried Elder and Canada goldenrod.

The best time to walk is from June to August.

Trandumskogen grav nr1
Tommy Gildseth · CC BY 3.0

Get there and walk

Plan the visit

A guided walk, a bed nearby, a car.

Car hire at OSL airport (Oslo)Discover CarsSee prices 

Some links above are affiliate links: if you book through them we may earn a commission, at no extra cost to you. It never changes what the data on this page says.

From above

The forest and its surroundings.

The satellite image of the 6 × 6 km around the place, with the trails, notable trees, picnic sites and huts that OpenStreetMap shows.

Trandumskogen seen from above (Sentinel-2)
Seen from above: Sentinel-2 cloudless 2016 (EOX, CC BY 4.0), 6 × 6 km, north up. Points © OpenStreetMap contributors.

Around, in OpenStreetMap

  • 3marked trails within 5 kmRomeriksleden, Rondanestien (lavlandet), Oldtidsveien Oslo - Eidsvold
  • 15named and notable trees within 6 kmHestekastanje, Bjørk, Furu and 12 more
  • 11picnic sites within 4 km
  • 35shelters and huts within 6 kmHeidrun, Skogstjereplassen, Revehiet and 32 more
  • 5viewpoints within 5 kmPlanespotters site Vollen, Plane spotter sight Bunkeren, Planespotters site and 2 more
  • 6visitor centres within 6 kmNorwegian, SGH/SAS/Star Alliance, Menzies/Norwegian and 3 more
  • 57car parks within 3 km
  • 2campsites within 10 km
  • 18places to stay within 10 kmGardermoen Hotel Bed & Breakfast, Radisson Blu Airport Hotel, Oslo Gardermoen, Radisson RED Oslo Airport and 15 more
  • 36restaurants and cafés within 3 km

Counted in OpenStreetMap, the map anyone can edit. A low number may just mean nobody has mapped it yet.

In our other atlases

Around Trandumskogen.

The mountains, lakes, rivers, waterfalls and canyons around this forest, the viewpoints above it, the birds and the night sky, in the family's atlases.

Peakyas574 mountains within 25 km
Marifjell717 m · 16 kmMistberget402 m · 18 kmSkotjernhaugen621 m · 19 kmBlekketjernshøgda613 m · 19 kmVaringskollen546 m · 21 kmPrekestolen411 m · 21 kmSignalen694 m · 21 kmMiddagskollen659 m · 23 km
Lakeyas5 lakes within 15 km
Hersjøen0.6 km² · 2.0 kmNordbytjernet0.3 km² · 7.4 kmHurdalssjøen32 km² · 11 kmBertnessjøen0.4 km² · 13 kmStorøyungen1.0 km² · 14 km
Darkskyas1 dark-sky places within 30 km
Harestua Solar ObservatoryBortle 4 · 20 km
Cascadyas13 waterfalls within 15 km
Kopperudfossen7.8 kmVerkensfossen7.8 kmHenriksfossen10 kmGåfossen11 kmSyltefossen11 kmSeterfossen11 kmDølifossen12 kmSvanfossen13 km

Figures from the sister sites' databases (Wikidata, HydroATLAS, GeoNames, OpenStreetMap). Links open when each site is online.

Photographs

The forest, as people saw it.

Trandumskogen Tank shooting range
Tommy Gildseth · CC BY-SA 4.0

Other forests nearby.

Trandumskogen

Norway

  • 60Forestyas Score
  • 50%Trees
  • 70%Wild
  • 1,051Species

Lillomarka

Norway · 30 km

  • 82Forestyas Score
  • 90%Trees
  • 80%Wild
  • 2,126Species

See the guide

Østmarka

Norway · 42 km

  • 86Forestyas Score
  • 91%Trees
  • 90%Wild
  • 1,402Species

See the guide

Krokskogen

Norway · 38 km

  • 84Forestyas Score
  • 78%Trees
  • 99%Wild
  • 650Species

See the guide

Where these figures come from

Name and typeWikidata (Q7833396) · CC0
Land coverESA WorldCover 10 m 2021 v200 · © ESA WorldCover project / Copernicus Sentinel data · CC BY 4.0
Species31,479 open records within 5 km (GBIF, CC0 and CC BY 4.0 only)
See these recordsgbif.org
Names and photosWikidata (CC0); GBIF Backbone Taxonomy · CC BY 4.0; Wikimedia Commons
AltitudeCopernicus DEM GLO-30 · © DLR e.V., © Airbus Defence and Space GmbH, Copernicus/ESA
Temperature and rainNASA POWER (CERES SYN1deg, 2001–2020; MERRA-2)
What is around© OpenStreetMap contributors · ODbL
ImagesEOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons
Sister atlasesPeakyas, Lakeyas, Darkskyas, Cascadyas

Every figure is an average, an estimate or a count from a public dataset. Licences and methods: data sources.

The family

Do you prefer beaches, lakes, mountains, waterfalls, islands, rivers, canyons, caves, dark skies, viewpoints, birdwatching or forests?

Same idea, other landscapes: field atlases built on open data, in seven languages.

beachesCoastyaFind your beach: sea temperature, sun and swimming month by month.Visit lakesLakeyasEvery lake on Earth: water temperature, ice, depth and the shore.Visit mountainsPeakyasEvery summit in 3D: summit weather, the 0 °C line, huts and trails.Visit waterfallsCascadyasEvery waterfall: height, flow month by month and when it roars.Visit islandsIslandyasEvery island from the sea up: size, sea temperature, ferries and 3D.Visit riversRiveryasEvery river from source to sea: the journey, the flow and the basin in numbers.Visit canyonsCanyonyasEvery canyon cut to scale: depth to the floor, rim and floor temperatures, trails and viewpoints.Visit cavesCavernyasEvery cave with its real depth and length: the rock above, the temperature inside all year, and how to visit.Visit dark skiesDarkskyasWhere the night is still dark: the sky of every place, the Milky Way month by month, the Moon, eclipses and auroras.Visit
viewpointsViewyasEvery viewpoint with its real 360° panorama: the peaks you can name, how far you see and where the sun sets.Coming soonVisit
birdwatchingBirdyasEvery bird sanctuary and wetland with the species recorded month by month: who is resident, who comes for the summer, who only passes through.Visit
forestsForestyasEvery forest with its land-cover rings, what grows and lives in it, and the best months to walk it.You are here