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Running trails & routes

Breisjøen – Trettsjø Cabin loop from Lillestrøm

Running trails & routes

Breisjøen – Trettsjø Cabin loop from Lillestrøm

Hard

6

runners

Breisjøen – Trettsjø Cabin loop from Lillestrøm

01:44

15.8km

180m

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: September 16, 2026

Waypoints

A

Start point

Bus stop

1

2.19 km

Poståsen

Highlight • Forest

2

7.36 km

Breisjøen

Highlight • Lake

Surrounded by dense spruce forest, Breisjøen is a peaceful woodland lake in Romeriksåsen. Its quiet shoreline and clear waters make it a popular place to pause, enjoy nature and try your luck fishing with a valid local permit.

Tip by

3

10.2 km

Trettsjø Cabin

Highlight • Mountain Hut

Trettsjøhytta is a popular hiking cabin on the shores of Trettsjøen. When staffed on selected weekends, it serves freshly made waffles, coffee and refreshments, while the nearby lean-to shelter, picnic …

Tip by

4

10.5 km

Tretysjøåsen

Highlight • Summit

5

10.9 km

Svarttjennsåsen

Highlight • Summit

B

15.8 km

End point

Bus stop

Way Types & Surfaces

Way Types

5.93 km

3.12 km

3.11 km

2.69 km

997 m

Surfaces

8.59 km

2.67 km

1.66 km

1.37 km

1.00 km

474 m

< 100 m

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Elevation

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

Highest point (260 m)

Lowest point (190 m)

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Weather

Powered by Foreca

Today

Tuesday 13 October

12°C

1°C

23 %

Additional weather tips

Max wind speed: 11.0 km/h

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