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Romstjern Lake – Lilloseter loop from Romsås

Routes

Running trails & routes

Romstjern Lake – Lilloseter loop from Romsås

Hard

runners

Romstjern Lake – Lilloseter loop from Romsås

02:22

21.2km

340m

Running

Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: June 11, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Røverkollen naturreservat

Slattumsrøa naturreservat

Nordmarka

Waypoints

Start point

Train Station

Get Directions

1.02 km

Romstjern Lake

Highlight • Lake

The lake is part of the Slattumsrøa Nature Reserve, with inflow from Lusevasan in the north and outflow to Steinbruvannet in the south. A lit trail runs along the eastern …

Tip by

5.23 km

Wide forest trails through the Nordmarka woodlands, used for cross-country skiing in winter and hiking during the warmer months. The gentle terrain and peaceful surroundings make this area popular for year-round outdoor activities just outside Oslo.

Tip by

7.10 km

Nordmarka Cross-Country Ski Trails

Highlight • Trail

These wide forest tracks are part of the extensive trail network used for cross-country skiing in winter and hiking or trail running during the warmer months.

Tip by

9.60 km

Nordskogtjern

Lake

10.8 km

Sinober Sportsstue

Highlight • Mountain Hut

Sinober, or Sinober Sports Lodge, is a tourist cabin and restaurant located in the northern part of Lillomarka in Oslo.

Sinober is a popular destination for hikers and families on …

Showing Translation

Tip by

13.2 km

Kjulstjernet

Lake

13.7 km

Kjulstjernskollen

Highlight • Summit

14.8 km

Lilloseter

Highlight • Mountain Hut

Rest area with the possibility to stop by.

Translated by Google •

Tip by

21.2 km

End point

Train Station

Way Types & Surfaces

Way Types

9.35 km

3.88 km

3.30 km

2.61 km

1.81 km

252 m

Surfaces

9.04 km

8.84 km

1.59 km

1.39 km

164 m

136 m

< 100 m

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Weather

Thursday 25 June

26°C

12°C

0 %

Additional weather tips

Max wind speed: 18.0 km/h

to get more detailed weather forecasts along your route

Comments

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Romstjern Lake – Lilloseter loop from Romsås

Ramnkollen

Romstjern Lake

Nordmarka Forest Ski Trails

Nordmarka Cross-Country Ski Trails

Sinober Sportsstue

Kjulstjernskollen

Lilloseter

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