Oslo is a trailhead city
Most visitors treat Oslo as a weekend of museums and dinners, then fly north or west for the mountains. That skips one of the easiest things about the city: the forest starts where the metro ends. Within half an hour of Karl Johans gate you can be on marked trails, and within a few hours of trains and coaches you can be in serious hiking country. If you want a Norwegian hike without a rental car or a complicated start, the capital is a good place to begin.
Read more about backpacking in norway at Norsk Vandrefestival, where longer routes, seasons and the practical side of carrying everything you need are laid out for people planning more than a day walk.
Start with the forest at the end of the metro
Oslo is ringed by forest and lakes that locals simply call marka. The metro runs to the edge of it, which is why the way Oslo's metro, tram and ferry lines interlock matters to a hiker as much as to a commuter. Line 1 climbs to Frognerseteren, where you can walk downhill past Holmenkollen with views over the fjord. Line 5 reaches Sognsvann, a lake with an easy loop path that suits a first outing. Both are ordinary public transport, so a hiking morning costs one ticket and no planning.
Treat this first walk as a rehearsal. Wear the boots you plan to use later, carry the pack at its real weight, and notice how long two hours on foot actually feels. Blisters and a badly balanced bag are far easier to fix within reach of a metro station than on day two of a mountain route.
Sleep central, walk early
Choose a bed within walking distance of Oslo S. Because the city has pushed cars out of much of the pedestrian centre, a dawn walk to the station with a backpack is calm and quick, and you can board without a taxi. Buy a Ruter ticket in the app the evening before, screenshot your timetable, and keep breakfast simple. Supermarkets near the station open early enough to cover trail food for the day.
Spend the evening before on Karl Johans gate on purpose: a proper dinner, an early night, and a last look at the forecast. The street is a good place to remember that a hiking trip still needs a rested walker.
From day walks to real trips
Once the forest walk feels easy, widen the map. Trains from Oslo S run west toward the edge of the Hardangervidda plateau and north toward the Dovre and Rondane areas, and coaches serve the valleys that lead into Jotunheimen. Journey times are measured in hours rather than days, but connections change with season, so check the timetable and any seat reservation rules before you commit. Leave a buffer on the return; a missed last departure turns a good hike into an expensive night in a small town.
Marked trails across the country use red T signs on rocks and cairns, and many are linked by staffed or self-service huts run by the trekking association. Hut-to-hut hiking lets you carry less, because bedding and often meals are provided, but beds in summer fill up, so book ahead. Bring a paper or offline map anyway. Mobile coverage in the mountains is patchy, and fog can erase a trail in minutes.
The right to roam, and how to use it
Norway's allemannsretten gives everyone the right to walk in uncultivated land, and it comes with responsibilities. Our note on the rules of foraging and the right to pick explains the spirit of it. In practice: camp at a respectful distance from houses, take your rubbish home, close farm gates behind you, and keep dogs on a lead during the breeding season, which runs from mid-April to the end of August in most places.
What to pack and what to leave in Oslo
Most hotels near the station will hold a suitcase for a few days, so travel with the pack you need and leave the rest. Layers matter more than any single garment: a wool or synthetic base, an insulating mid-layer, a waterproof shell, a hat and gloves even in summer. Weather in the mountains turns quickly, and a warm day in Oslo says little about a plateau at altitude. Carry water, more food than seems necessary, a charged phone, a small first-aid kit and a headlamp.
Follow the Norwegian mountain code: plan the trip and tell someone where you are going, adapt to conditions, and be prepared to turn around. Turning back is not a failure. It is the reason most people finish their trips safely.
A simple three-day start
Day one: arrive, walk Karl Johans gate, eat well and sleep early. Day two: take the metro to Sognsvann or Frognerseteren, walk three to four hours with the full pack, and finish with a shower and a proper dinner. Day three: take a morning train toward the mountains, hike a short marked route, and stay in a hut or nearby hotel. That rhythm gives you a real taste of Norwegian trails without staking the whole trip on one long, unpractised day.
Oslo does not have to be the place you rush through on the way to the mountains. Used well, it is the part of the trip where boots get tested, plans get checked and the first trail is only a ticket away.
About Sofia Berg
Sofia Berg is a lifelong Oslo resident and travel writer with a passion for uncovering the city's hidden gems. She has been exploring and writing about Oslo for over ten years.