Oslomarka, Nordmarka Moderately demanding hike 5.6 km 3 hours The trip goes one way, from A-B 285 meters in height in total Season: May - Oct

Kolleren is a 5.6-mile loop trail in Jevnaker, Viken, Norway. It takes around 2 hours and 32 minutes, navigating a moderate difficulty route that offers stunning views of forests, lakes, historic sites and wildlife along the way. This trail is suitable for hiking and dog walking, especially during spring to autumn months when the weather is milder. Hikers can enjoy their time in solitude or with a few people while exploring the diverse nature of this gorgeous area!