Summer and winter view of Maridal lake. It never fails to impress, regardless of the season.
There is an abundance of trails towards the forest and also connecting to other lakes (for example Sognsvann) starting from this area.
Summer view of the lake
Winter view of the lake and the frozen surface
You can take the buss and arrive very close to the lake.The Brekkekrysset bus stop is the nearest one.
You can see more of my posts 
The first Bitcoin ATM in Norway!
A walk in Oslo.From Sagene to the Maridal lake.Part one
A walk in Oslo.From Sagene to the Maridal lake.Part two
A walk in Oslo from Sagene to the Maridal lake.Part three