Best attractions and places to see in Marstrands Naturreservat include a diverse landscape of rugged coastlines, historical landmarks, and natural features. This captivating archipelago, encompassing Marstrand Island and Koön, offers a blend of cultural sites and varied natural environments. Visitors can explore well-preserved old towns, 17th-century fortresses, and numerous hiking trails across both islands. The reserve provides opportunities to experience coastal nature and historical significance.
Last updated: July 5, 2026
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Highlight • Gorge
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Highlight • Cave
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A wonderful hike for young and old. A certain degree of surefootedness is required, as some sections involve rocks and stones. The hike is also no problem with a dog. The ferry to the island departs every few minutes and costs just 80kr per adult round trip. There are a few nice cafés at the harbor, and you can also find the occasional snack or even a larger meal. In summer, if you don't mind a bit of cold water, you can also enjoy the cool water and refresh yourself at several swimming spots. All around, an island worth seeing.
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Nålsögat (The Eye of the Needle) is the narrowest passage on the trail. Many years ago, smugglers in particular are said to have used the narrowness of the rocks as a hiding place.
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This Rune Stone is in memory of Gustaf Edvard Widell who was born in 1815 in Marstrand and was a swedish schoolman and member of the parliament.
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An extra excellent bathing section for nude bathing protected from prying eyes and separated for men and women. With the men there is a small hut to shelter.
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Small grotto on the way to the lighthouse. Maybe also a good place to have protection from wind and weather.
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Nice place for a picnic. In addition, the grotto protected us from the rain.
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Marstrands Naturreservat is rich in natural wonders. You can experience the dramatic Rocky coastline at Marstrand Nature Reserve, which offers scenic views and opportunities for swimming. Don't miss The Eye of the Needle, a narrow passage between two giant boulders historically used by smugglers. Other interesting spots include Erik's Cave, a pleasant picnic spot, and the Skallen Lighthouse at the island's northwestern tip, marking the meeting point of the Skagerrak and Kattegat seas.
Absolutely. The most prominent historical landmark is Carlsten Fortress, a 17th-century fortress on Marstrand Island with over 350 years of history, offering guided tours. Marstrand's Old Town itself is a cultural gem with well-preserved wooden houses and cobbled streets. You can also see the medieval Marstrand Church, Bohuslän's oldest stone building, Marstrand Town Hall, and the Rune Stone in Memory of Gustaf Edvard Widell, commemorating a notable Swedish schoolman.
Both Marstrand Island and Koön offer fantastic hiking opportunities. Marstrand Island features a scenic 5-kilometer trail circling the entire island with breathtaking sea views. On Koön, you'll find three distinct hiking trails, some of which are accessible for wheelchairs or strollers, providing stunning views over rocky cliffs and the archipelago. For more detailed routes, you can explore easy hikes in Marstrands Naturreservat.
Yes, Marstrands Naturreservat offers several family-friendly options. Exploring Erik's Cave is a fun adventure for families, and some of the hiking trails on Koön are accessible for strollers, making them suitable for families with young children. The car-free Old Town of Marstrand is also pleasant for leisurely strolls, and the 'Kaja' (Quay) is a popular spot for enjoying ice cream and watching boats.
The reserve is beautiful year-round, but the summer months (June to August) are particularly popular for enjoying the coastal activities, swimming, and vibrant atmosphere of Marstrand's Old Town. Spring and autumn offer milder weather, ideal for hiking and exploring the natural landscapes without the summer crowds. Winter provides a quieter, more dramatic coastal experience.
Yes, there are numerous opportunities for swimming. The rugged coastline, particularly on the western and southern sides of Marstrand Island, offers excellent spots for cliff swimming. Additionally, there is a dedicated Nude Beach at Marstrandsön with separate sections for men and women, providing a secluded bathing experience.
Visitors frequently praise the Rocky coastline at Marstrand Nature Reserve for its wonderful hiking opportunities and breathtaking views. Many appreciate that it's suitable for all ages, though some sections require surefootedness due to rocks and stones. It's also noted as a dog-friendly area, and in summer, the various swimming spots along the coast are a big draw for refreshing dips.
Yes, the area around Marstrands Naturreservat offers various routes for outdoor sports. You can find several running trails, including moderate loops like the 'Marstrands naturreservat loop'. For mountain biking enthusiasts, there are also MTB trails available, such as the 'Basteröds hällristningar loop' or the 'Tolleby tjärn loop'.
Marstrand Island's charming, car-free Old Town is home to many cozy cafés, taverns, and restaurants, especially along the quays. After exploring, you can easily find a spot to enjoy a meal or a snack. The 'Kaja' (Quay) is particularly popular for leisurely walks and enjoying ice cream.
Marstrand Island is car-free, but you can reach it by ferry from Koön, which departs frequently. Koön itself is accessible by car, and there are parking facilities available there. From Koön, the ferry ride to Marstrand Island is short and convenient.
Marstrands Naturreservat is home to diverse ecosystems. The botanically rich natural pastures in the southern parts of Koön feature grazing animals and open farmlands. You might also encounter various bird species along the rocky coastline and in the lush deciduous forests found in areas like Rosenlund on Koön. The Näckrosdammen (Water Lilies Pond) on Marstrand Island is known for its rare red water lilies.
Beyond the main attractions, you might enjoy exploring the Smugglarrännan (Smugglers' Gorge) and Trollskogen (Troll Forest) on Marstrand Island for a touch of local folklore and natural beauty. On Koön, the remarkable rock formation known as Vargklyftan (Wolf Cleft) is also a fascinating natural feature to seek out.


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