Today me and my English class went to Kolsåstoppen because we had a social science task to study the rock types. It was a cool trip. The mountain has one of the biggest climbing fields in Bærum. The highest peak is 387 meter over the sea.
There is a lot of rocks on Kolsåstoppen, and the most exiting rock was the rombeporfhyry. It is a red rock, with white dots. It was a very nice day, and we had a lot of sun and great weather.