Tryvann, the highest peak overlooking Oslo, is the biggest stage for outdoor summer activities near the city. Every year before the snow arrives, there is a running race from the bottom of the mountain to the top of "Oslos bratteste", which means "Oslo's steepest". Hike up this hill to experience an incredible workout and compare your time against the best up-hill runners in the world. Don't worry, there is a coffee and waffle café to enjoy at the top while you relax and soak in the incredible view of the fantastic surrounding forest. Difficulty level: Difficult Distance, one way: 2.8 kilometres (1.75 miles) Elevation change: 430 metres (1410 feet) Time consumption: 0,5–1,5 hours Transportation: Take metro no. 1 (Frognerseteren) to Voksenkollen station. Walk to the bottom of the hill before challenging yourself on the way up. 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.