Kolsås
![Kolsås ridge](/Images/godic/202501/22/Kolsåstoppen1913.jpg")
![Dælivannet seen from Kolsås](/Images/godic/202501/22/Dælivannet1913.jpg")
![Kolsås protruding in the landscape](/Images/godic/202501/22/Kolsås_from_south_east1913.JPG")
Kolsås is a wooded mountain ridge in the municipality of Bærum, Norway. Geologically, Kolsås belongs to the Oslo Graben area. Its two peaks consist of hard rhomb porphyric lava covering softer rocks, forming steep cliffs to the east, south and west.