The best running trails in Trillemarka-Rollagsfjell Naturreservat

There are 7 dedicated running routes in Trillemarka-Rollagsfjell Naturreservat, offering a range of experiences from moderate loops to more challenging long-distance runs.

The terrain is quite diverse and rugged, featuring mountain sections, wide valley bottoms, and hilly forest areas. You'll encounter everything from challenging inclines on old farm trails to more gentle stretches along forest roads, with significant altitude variations throughout the reserve.

While the reserve offers varied terrain, routes like the Nedre Sjusjøåsen loop from Sjusjøbroren (5.7 km) or the Nedre Sjusjøåsen loop from Sjusjøen (5.4 km) are moderate in difficulty and could be suitable for families looking for a shorter, less strenuous run through forest areas.

Yes, for experienced runners seeking a challenge, the Saueåsen loop from Tempelsetra is a difficult 21.3 km path with substantial elevation gain through varied forest and mountain terrain. Another demanding option is the Kringleåsen loop from Tempelsetra, a difficult 12 km route.

The reserve is known for its ancient woodlands, deep stream gorges, and diverse flora. A notable landmark is the Madonna Statue on Bjønneskortenatten, which offers magnificent views. You can experience views towards it on the Bjønneskortenatten loop from P2. The area also features some of Norway's oldest living spruce trees, such as Minneskleivgrana.

Yes, many of the running routes in Trillemarka-Rollagsfjell Naturreservat are circular. Examples include the popular Bjønneskortenatten loop from P2, the Nedre Sjusjøåsen loop from Sjusjøbroren, and the longer Saueåsen loop from Tempelsetra.

Trillemarka-Rollagsfjell Naturreservat invites outdoor enthusiasts year-round. Spring offers the chance to witness capercaillie and black grouse mating displays, while summer and autumn provide pleasant conditions for running through the diverse landscapes. Winter running is possible, but conditions will vary with snow and ice.

The reserve promotes nature-friendly outdoor life, and many trails are suitable for dogs. However, it's always important to check local regulations regarding leashing requirements and protected areas within the nature reserve to ensure a responsible and enjoyable experience for both you and your dog.

Many routes, such as the Bjønneskortenatten loop, start from designated parking areas like P2. For longer routes like the Saueåsen loop or Kringleåsen loop, trailheads often begin near locations like Tempelsetra, which typically have parking facilities. Always check the specific route details for precise starting points and parking information.

The unique combination of ancient woodlands, rugged and varied topography, and significant altitude differences sets Trillemarka-Rollagsfjell apart. Runners can explore historical farm trails and forest roads, immersing themselves in one of Norway's largest nature reserves, rich in diverse habitats and cultural heritage.

While the nature reserve itself is largely undeveloped to preserve its wild character, you may find cafes or small eateries in the nearby valleys of Sigdal and Numedal. It's advisable to carry your own refreshments and water, especially for longer runs, as amenities within the reserve are limited.