4.6
(90)
387
hikers
30
hikes
Hiking trails in Stora Härnön traverse a diverse landscape typical of the Mälaren region, characterized by ancient oak trees, hazel groves, and pastures. The area features old coniferous forests with pine trees up to 300 years old, particularly along the northern shore and on Härnöudd. Rocky outcrops and areas with significant deadwood contribute to the varied terrain. Panoramic views over Lake Mälaren and Mariefred, including glimpses of Gripsholm Castle, are available from elevated points like Hälsingberget.
Last updated: October 26, 2026
4.8
(18)
90
hikers
6.02km
01:32
20m
20m
Easy hike. Easily walkable paths.
4.8
(8)
49
hikers
4.80km
01:14
30m
30m
Easy hike. Easily walkable paths.

5
hikers
7.46km
01:57
60m
60m
Easy hike. Easily walkable paths.
4
hikers
4.26km
01:07
30m
30m
Easy hike. Easily walkable paths.
3
hikers
5.90km
01:33
40m
40m
Easy hike. Easily walkable paths.
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The "Theatre King" Gustav III, who had the theatre built in the castle, even wrote his own plays and sometimes even took on a role himself
5
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Gripsholms Hjorthage is a game park and nature reserve near Gripsholm Castle in Södermanland County, Sweden. The wild pasture is characterized by many old oak trees. The area has long been used as pastureland and as a game park since the late 19th century.
2
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A varied 18-hole parkland course with an open layout and attractive green areas, located just outside the center of Mariefred, near Gripsholm Castle. The club also has a 6-hole short course. https://www.golfisverige.com/klubb/gripsholms-golfklubb/
2
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Very impressive. The visit was worthwhile. The existence of the palace theater was particularly surprising.
2
0
The castle is ideal for a short break; the large parking lot is free and you can even get a snack.
1
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It is impressive how well the foundry art for these cannons was in the 17th century.
2
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great local history museum (Hembygdsförening) and garden café in Klostergata, open in the summer months
4
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Stora Härnön offers a diverse network of over 30 hiking routes. These trails cater to various preferences, ranging from easy walks through pastures and forests to more moderate routes with varied terrain.
The terrain in Stora Härnön is characteristic of the Mälaren region, featuring ancient oak trees, hazel groves, and pastures. You'll also find old coniferous forests with pines up to 300 years old, particularly along the northern shore and on Härnöudd. Some areas include rocky outcrops and significant amounts of deadwood, contributing to a rich biodiversity.
Yes, Stora Härnön has 17 easy routes perfect for beginners or those seeking a relaxed walk. A good option is the Mariefred – Gripsholm Castle loop from Sten Sture-stenen, which is 6.3 km long and offers views of Gripsholm Castle. Another easy choice is the View of Deer loop from Mariefred, a 4.8 km path winding through varied landscapes.
From elevated points like Hälsingberget, you can enjoy panoramic views over Lake Mälaren and Mariefred, including glimpses of Gripsholm Castle. The island also features old coniferous forests with very old pine trees, some 200-300 years old, especially along the northern shore and on Härnöudd, offering unique natural beauty.
Many of the trails in Stora Härnön are designed as loops, allowing you to start and end at the same point. Examples include the Mariefred – Gripsholm Castle loop from Sten Sture-stenen and the Mariefred – Gripsholm Castle loop from Mariefred, which takes you through the historic town and along the lake shore.
Yes, Stora Härnön offers several family-friendly options, particularly among its 17 easy routes. These trails often feature gentle terrain and interesting natural elements like ancient trees and pastures, making them enjoyable for all ages. The View of Deer loop from Mariefred is a good choice for families, offering opportunities for wildlife viewing.
Generally, dogs are welcome on hiking trails in Stora Härnön. However, as parts of the island are nature reserves with grazing animals, it's important to keep dogs on a leash to protect wildlife and livestock. Always check local signage for specific rules in certain areas.
The best time to hike in Stora Härnön is typically during the spring, summer, and autumn months when the weather is mild and the natural landscapes are in full bloom or displaying vibrant fall colors. Some trails may also be accessible for winter hiking with snowshoes, but conditions can be challenging.
While specific public transport details for every trailhead are not available, the region around Mariefred, where many trails begin, is generally accessible. It's advisable to check local bus or train schedules to Mariefred or nearby towns and plan your route accordingly.
The komoot community highly rates Stora Härnön, with an average score of 4.6 stars from over 60 reviews. Hikers often praise the diverse Mälaren landscape, the presence of ancient oak trees and old coniferous forests, and the panoramic views over Lake Mälaren and Gripsholm Castle. The variety of routes, from easy to moderate, is also frequently appreciated.
The town of Mariefred, which serves as a starting point for several trails, offers various amenities including cafes, restaurants, and accommodation options. These can provide a convenient base for your hiking adventures in Stora Härnön.
Yes, Stora Härnön features 12 moderate trails for those looking for a bit more challenge. An example is the Mariefred – Gripsholm Castle loop from Målartorp, which is 11.8 km long and offers a longer, more engaging experience through the varied landscape.


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