A great hike on a clear day, going up Barlindåsen Ridge is relatively easy and comes with a big reward as you look down on Oslo from the northeastern side of the city. The trail is located near Maridalsvannet, Oslo's largest lake. Difficulty level: Medium Distance, one way: 5.7 kilometres (3.6 miles) Elevation change: 200 metres (656 feet) Time consumption: 2–2,5 hours Transportation: Park your car at Sandermosen train station. The train does not stop there. Read more information about this adventure on Outtt. Download the Outtt app from Google Play or App Store for more outdoor activity suggestions in Oslo.