Located on the northern side of Maridalen, Øyungen is a great hike for adventurers of all ages. Although you are on a well-maintained gravel trail, you are completely immersed in nature, walking side by side the Skarselva River, which runs down to Maridalsvannet, Oslo's largest lake. Difficulty level: Easy Distance, one way: 5.1 kilometres (3.2 miles) Elevation change: 140 metres (460 feet) Time consumption: 1,5–2 hours Transportation: From Oslo Central Station, take bus 54 (Kjelsås) to Godals vei. Switch there to bus 51 (Maridalen) and exit at Skar. 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.