Tips
Nicolas Vergnaud
May 12, 2026
Hiking
Önstensborg Fornborg is an ancient oppidum dating back to the Roman Iron Age. It is enclosed by ramparts stretching over 300 metres. Located near Västerås, it is a lovely place to go for a walk in the area.
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Nearby routes
Best routes near Önstensborg Hillfort
11
hikers
5.67km
01:27
20m
20m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
Easy
Details
Informations
Elevation 10 m
Weather
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Wednesday 26 August
23°C
7°C
0 %
Additional weather tips
Max wind speed: 12.0 km/h
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