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Stendörren nature reserve - with suspension bridges between islands

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Stendörren Nature Reserve is a magical coastal paradise located between Nyköping and Trosa. The water is crystal clear and shimmering green, and you get from island to island via cool suspension bridges. Perhaps this is the most beautiful nature reserve we have ever visited!

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Stendörren nature reserve

The Stendörren Nature Reserve offers archipelago nature along the east coast of Sweden. To reach some of the islands, even without a boat, bridges have been built.

Stendörrens naturreservat

The Stendörren nature reserve is located on the east coast, about 10 kilometres south of Stockholm, and belongs to Nyköping municipality.

Suspension bridges to reach islands

What is special about Stendörren Nature Reserve is the suspension bridges. There are four suspension bridges in total, which go to Stora Krokholmen and Äspskär. To reach the other islands you need a boat.

Stendörrens naturreservat

Äspskär and Stora Krokholmen

If we had parked at the first car park, we would have naturally arrived at Äspskär. Instead, we chose to park at the second car park, and then walked out towards Stora Krokholmen.

Stendörrens naturreservat

So incredibly beautiful! The water looks so clean and alive, and the environment is almost paradise-like. We decided to take a photo of us with a tripod and self-timer. Peter had time almost put his glasses on before the trigger went off, haha.

Stendörrens naturreservat

But seriously, look at the pictures! I tried to delete some pictures, but it was hard. It was so amazingly beautiful everywhere!

Stendörrens naturreservat

You can't stay overnight in the reserve (unless you book a cabin) but you can easily spend a whole day here. On a sunny day, it's great to come here with comfortable hiking clothes and a packed lunch.

Wildlife at Stendörren Nature Reserve

At Stendörren Nature Reserve there are plenty of different birds. Here you can see seabirds such as terns, eiders and grey gulls, and you can also look for sea eagles. The ones who posed most willingly for a photo were some barnacle geese.

Stendörrens naturreservat

Other animals of interest include the river lamprey and river mussel, which live in rivers and streams. These species are displayed as sculptures in the reserve, and similar endangered species sculptures can be found at six other sites.

Stendörrens naturreservat

Nature centre Stendörren

At Naturum Stendörren you can learn more about the nature, environment and cultural history of the Baltic Sea and the archipelago. Of course, we wanted to know more and took the path that led here.

Stendörrens naturreservat

The building was not open when we were here - it is open during the summer - but there was plenty of information on the outside and open toilets.

The waterfront environment is also extremely charming. Here you can see old boats and boathouses, and look at the cottages on the other side of the water. At the Stendörren passage, King Valdemar's sailing route passes, which was very important in the Middle Ages. The narrow strait that was once called "Stendor strait" is located between the mainland and the island of Krampö.

Stendörrens naturreservat
Stendörrens naturreservat
Sundet Stendörren

Photogenic house

You can also see the so-called 'kerosene house'. This small black and white striped tower used to store kerosene for the lighthouses in the area. Today there is no kerosene to store, but the little house has become a famous landmark.

Stendörrens naturreservat

What to do in the Stendörren Nature Reserve

The rules for overnight stays in Stendörren Nature Reserve are restrictive. By boat, you can stay in the same place for a maximum of two days, tents are only allowed in the parts of the reserve that are south of the fairway and cannot be reached on foot, and overnight stays in motorhomes or caravans are prohibited. Windbreaks and shelters are not for overnight stays.

However, Naturum Stendörren offers two small cabins for rent on an island a few hundred metres from the mainland. The cottages are simple, without electricity and running water, and are suitable for those who want to live simply in nature for a week. Cooking is done on an iron stove and a rowing boat is included in the rent.

Stendörrens naturreservat

You can hike in the nature reserve and barbecue at designated sites. On the hill above Naturum there is a new observation tower for the 2021 summer season. You can also rent a kayak near the reserve. At Naturum we also saw a sign about archipelago traffic.

Where can you stay with your campervan?

It is therefore not permitted to stay overnight with a motorhome in the nature reserve. On the way into the reserve, however, there was a sign about a parking space and we thought about checking it out, but we didn't.

Instead, we stayed at an old favourite place, namely the car park in Trosa. Here you have to pay a small fee, but you also have access to all the desired services and good walking distance into town.

More to see and do in the vicinity of Stendörren Nature Reserve

Stendörren Nature Reserve is located between Nyköping and Trosa. I Nyköping you can check out Nyköpingshus, and also Nynäs Castle and Öster Malma Castle. In addition, the Trosa an incredibly charming little town with picturesque houses, small boats and cosy cafés. You'll find even more tips below.

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Have you visited the Stendörren nature reserve?

Have you visited the Stendörren nature reserve? How was your experience? Do you have any other tips in the neighbourhood?

Facts about the Stendörren nature reserve

  • Address: 611 99 Tystberga
  • Size: 923 hectares
  • Formation: 1972
  • Municipality: Nyköping
  • Trustee: County Council
  • County: Södermanland
  • More info: You can read more at County Council.

Animals and nature in the Stendörren nature reserve

  • Plants: Coastal tansy, yellow clover, goosegrass, sea creeper, water vole, chives, yellow buttercup, motherwort and others.
  • Mammals: Grey seal and others.
  • Birds: Common tern, eider, grey gull, great skua, shore cat, sea eagle and others.
  • Other animals: Earwigs, lionfish, seaweed snakes and others.

Services at Stendörren Nature Reserve

  • Fireplace: Elderly resting places with firewood are available.
  • Toilets: Toilets are available at Naturum.
  • Naturum: The Naturum provides information and sometimes organises activities. Naturum is open between May and September. During the summer there are also coffee breaks at Bergs gård.

ACCESSIBILITY AT Stendörren Nature Reserve

  • Leader: An adapted path for wheelchairs is available.
  • Naturum: Wheelchair and pram accessibility in the naturum's surroundings is good.

ACTIVITIES in the Stendörren nature reserve

  • Hiking/walking: There are several different hiking trails to follow.
  • Bada: You can swim from rocks.
  • Grilling: Barbecues are available in the designated barbecue areas.
  • Check the view: There is a newly built viewing tower.
  • Kayaking: Hälgö Kajak is located near the Stendörren nature reserve, and rents both kayaks and Stand Up Paddle boards.
  • Renting a cottage: During the summer you can rent a simple cottage.

Rules in the Stendörren nature reserve

Within the reserve, it is forbidden to:

  • destroying or damaging fixed natural objects or surface formations
  • use a musical instrument, tape recorder, music system or similar in a disruptive manner
  • disturbing wildlife, for example by climbing trees, or killing animals.
  • bring a dog or other pet that is not on a leash or kept in a cage
  • making an open fire in a place other than a specially prepared area breaking twigs, felling or otherwise damaging vegetation
  • anchoring a boat on the same shore for more than two consecutive days
  • camping for more than two days in the same place (camping is prohibited on the mainland and the islands north of the inner archipelago road in the Stendörren nature reserve).
  • organising competitions or camp activities
  • travelling with, parking or setting up a caravan
  • landing by airplane
  • travelling by motor vehicle or hydrocopter (motor vehicle traffic is allowed on designated roads).
  • discharge waste water, oil or other chemical substances that could damage the environment.

Without the county council's authorisation, you can't either:

  • engage in sales or other activities for commercial purposes
  • carry out scientific research that may result in damage or other adverse effects on plant or animal life.

Find the Stendörren nature reserve

  • Car: Follow the E4 motorway, exit at Vagnhärad or Tystberga and take road 219 towards Studsvik/Stendörren. Follow the signs for Stendörren.
  • Bus: Take bus 554 from Nyköping or Trosa to Stendörren. Walk about 4 kilometres to reach the reserve.
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