Hill fort, placed on a steep moraine hill with double walls, both walls has
several entrances, whereof the south one is probably the original one.
The inner wall is about 150 metres long and 2-3 metres high. The width is about 10 metres. On the inside you can see traces of dry masonry on several places.
The outer wall is about 250 metres long, 3 metres wide and 0.5 - 1.5 metres high.
The major part of the fort was built between 200 to 600CE
Info board on site in Swedish.
How to get there:
From highway E18, take the exit to road 53 about 12 kilometres
west of Västerås. Drive 2,7 kilometres, then turn right onto road
558 towards Kolbäck and drive for 4.2 kilometres where
there is a crossing.
Continue through the crossing, and after 150 metres there is a parking
slot on your left, and the fort is on the hill to the left of the road.