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Coastal and boating life in Nyköping Municipality.
Across the suspension bridges to Äspuskär and Stora Furuholmen
Along coastal Route 219 between Nyköping and Trosa lies Stendörren Nature Reserve, famous for its suspension bridges connecting the mainland directly to the rocky islands of Äspuskär, Stora Furuholmen and Krampö.
Out on the islands you will find smooth granite rocks, pine woods, a lookout tower and sheltered waterfront barbecue areas.
Naturum renovation until 1 May 2027 — reserve open year-round
The indoor Naturum Stendörren visitor centre building is undergoing exterior roof, facade and window renovations and remains closed until 1 May 2027.
However, the nature reserve itself is completely open: all suspension bridges, hiking trails, the lookout tower, toilets and firewood-stocked barbecue spots welcome visitors 365 days a year.
More coastal outings: Nynäs Castle and Nävekvarn cliffs
Combine your visit with nearby Nynäs Castle and Nature Reserve along Route 219, where trails wind through ancient oak pastures down to the sea.
South of Nyköping on Bråviken Bay, Nävekvarn Harbour marks the start of dramatic cliffside hikes along the Sörmlandsleden trail.
Common questions
Are the suspension bridges at Stendörren open during the Naturum renovation?
Yes. Only the indoor Naturum visitor centre building is closed until 1 May 2027. The nature reserve, suspension bridges, trails and barbecue areas are open year-round.