4.8
(1651)
7,666
hikers
146
hikes
Family friendly hiking trails around Hammersø are set within a unique landscape on Bornholm, featuring Denmark's only mountain lake nestled at the foot of Hammerknuden. This area is characterized by diverse habitats, from mixed forests and wet heaths to dramatic granite cliffs and old quarry lakes. The terrain includes rocky sections and varied elevations, offering scenic views over the lake and the Baltic Sea.
Last updated: June 29, 2026
4.9
(10)
37
hikers
Moderate hike. Great for any fitness level. Mostly accessible paths. Sure-footedness required.
5.0
(2)
20
hikers
4.49km
01:11
40m
40m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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4.8
(5)
30
hikers
Moderate hike. Great for any fitness level. Mostly accessible paths. Sure-footedness required.
5.0
(4)
20
hikers
9.38km
02:30
100m
100m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.7
(3)
23
hikers
2.30km
00:37
20m
20m
Moderate hike. Great for any fitness level. Mostly accessible paths. Sure-footedness required.
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Great photo opportunity, the lake and the rocks in the background.
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Beautiful view of the lake. You should be free from vertigo, though, as there are no railings here!
1
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Fantastic view...not worth the price.
1
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There's a small snack bar here, including delicious soft ice cream.
1
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While exploring the north coast, you should definitely take a moment to visit Allinge Harbour. This authentic Bornholm port was blasted directly out of the rocky shoreline to accommodate larger ships. Today, it's a bustling hub for the town, surrounded by eateries, shops, and a vibrant seaside atmosphere. Whether you're watching the fishing boats or just enjoying the amenities, it's a perfect spot to spend some time.
2
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beautiful forest path
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There are over 140 family-friendly hiking routes around Hammersø, ranging from easy strolls to more moderate adventures. You'll find plenty of options to explore the unique landscapes of Bornholm with your family.
The terrain around Hammersø is quite varied. You'll encounter paths through mixed forests, along rocky coastlines, and around the lake itself. Some routes, especially those around Hammerknuden, can be hilly and rocky, while others are gentler. Many trails offer stunning views of the lake and the Baltic Sea.
Yes, there are several easy circular walks. For a pleasant and accessible option, consider the Hammersø Lake – Opal Lake (Opalsøen) loop from Hammershus. This easy route is just over 3 km and takes you around the beautiful lakes.
Hammersø is Denmark's only mountain lake, nestled at the foot of Hammerknuden, offering picturesque scenery. You can see interesting rock formations like 'Camel and Lion's Head', and explore old quarry lakes such as Opalsøen and Crystal Lake. The area also boasts the impressive Hammershus Castle Ruins, which are often visible from the trails.
Generally, dogs are welcome on trails in Denmark, but it's always best to keep them on a leash, especially in nature reserves like Hammerknuden, to protect wildlife and ensure a pleasant experience for all hikers. Always check local signage for specific rules.
The warmer months, from spring through early autumn (May to September), are generally ideal for family hiking around Hammersø. The weather is milder, and the natural beauty is in full bloom. However, the unique landscape offers charm even in the quieter seasons.
Absolutely! Many trails provide breathtaking views. The Hammeren Coastal Landscape – View of the Quarry and Lakes loop offers panoramic views of the quarry, lakes, and the Baltic Sea. Another great option is the View of Opal Lake – View of the Quarry and Lakes loop, which provides stunning vistas from Hammeren fyr.
Parking is available at several key points around the Hammersø area, including near Hammershus Castle Ruins and Hammeren fyr. These locations often serve as good starting points for various trails, making it convenient for families arriving by car.
Yes, you'll find cafes and eateries in nearby towns like Allinge-Sandvig, which are easily accessible from many of the trails. These provide convenient spots for a family meal or a refreshing break after your hike.
The area is highly rated by the komoot community, with an average score of 4.8 stars from over 1,500 ratings. Reviewers often praise the stunning coastal views, the unique geological features like the quarry lakes, and the well-maintained paths that make it enjoyable for all ages. The blend of natural beauty and historical sites like Hammershus is frequently highlighted.
Definitely! The Hammersø area offers more than just hiking. You can visit Hammershus Castle Ruins, enjoy boat trips from Hammerhavn, or even try Denmark's longest zipline at Opalsøen. The clear waters of Hammersø also offer opportunities for swimming and fishing.


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