Hartsö naturreservat is a protected archipelago region in Nyköping, Södermanland, Sweden, established in 1981. It encompasses the large island of Hartsö and numerous smaller islands, characterized by a diverse landscape ranging from lush inner archipelago vegetation to wave-exposed cliffs. The terrain includes old-growth forests, cultural landscapes with pastures, and coastal meadows, making it suitable for several outdoor sports like hiking and touring cycling. A notable natural feature is Hargberget, offering expansive views of the surrounding islands and waters.
13
Routes
4.8
(191)
Average rating
780
People visited

4.9
(139)
566
hikers
8.21km
02:08
50m
50m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

4.7
(3)
31
hikers
1.96km
00:30
10m
10m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

4.9
(24)
72
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

4.8
(5)
24
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
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4.5
(2)
11
riders
17.7km
01:16
150m
150m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

5.0
(2)
6
riders
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

8
riders
36.9km
02:26
260m
260m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

3
riders
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
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Hartsö naturreservat is a protected archipelago region located in Nyköping, Södermanland, Sweden. Established in 1981, it covers 5,535 hectares, including the large island of Hartsö and many surrounding islands and water areas. The reserve features diverse landscapes, from old-growth forests and cultural pastures to coastal meadows.
Hartsö naturreservat offers opportunities for hiking and touring cycling. Marked trails are available for hikers, leading to viewpoints and rest areas. While the island nature limits extensive cycling within the reserve, the broader region provides options for touring cyclists.
Hartsö naturreservat features marked hiking trails, including a northern trail leading to Hargberget, which offers panoramic views. A southern trail also provides a viewpoint. For detailed information on hiking routes, refer to the Hiking in Hartsö naturreservat guide.
Yes, Hartsö naturreservat offers hiking options suitable for various skill levels. Guides such as Easy hikes in Hartsö naturreservat and Family-friendly hikes in Hartsö naturreservat provide specific route suggestions.
While the island nature of Hartsö naturreservat limits extensive touring cycling within the reserve itself, the broader Södermanland region offers cycling opportunities. Information on cycling in the area can be found in the Cycling in Hartsö naturreservat guide, which also includes Traffic-free bike rides.
A significant natural highlight is Hargberget, which stands at 40 meters (131 feet) above sea level and provides panoramic views of the archipelago. The reserve also features old-growth forests, coastal meadows, and small coves with gravel and sand beaches. Hartsö Lund in the south contains untouched forest.
Hartsö naturreservat has received an average rating of 4.8 out of 5 stars from more than 700 ratings on komoot. Over 2,900 visitors have shared their experiences in the region, indicating its popularity among outdoor enthusiasts.
Hartsö naturreservat is an island reserve, accessible only by boat. Visitors typically arrange transport to the island. For public transport options to the region, contact Sörmlandstrafiken for boat bookings.
Specific regulations regarding dogs in Hartsö naturreservat are managed by Länsstyrelsen Södermanland. Visitors should check the official reserve rules for current guidelines on bringing dogs, especially concerning leash requirements and protected areas.
Komoot offers several guides for Hartsö naturreservat, covering various activities and difficulty levels. These include Hiking in Hartsö naturreservat, Easy hikes in Hartsö naturreservat, Family-friendly hikes in Hartsö naturreservat, and cycling guides like Cycling in Hartsö naturreservat.
Official information for Hartsö naturreservat is provided by Länsstyrelsen Södermanland. The official website is lansstyrelsen.se/sodermanland/besoksmal/naturreservat/hartso.html. For general inquiries, the main switchboard for Länsstyrelsen Södermanland can be reached at +46102234000.

