4.7
(9)
168
riders
11
rides
Gravel biking around Hammersø, located on the northern tip of Bornholm, features a diverse landscape characterized by dramatic granite bedrock formations, tranquil lake shores, and varied forests. The region's topography includes rugged coastlines and exposed bedrock, offering varied terrain for outdoor activities. Hammersø, Denmark's only mountain lake, is nestled in a rift valley, providing a scenic backdrop for routes. This area is known for its extensive network of cycling paths, including dedicated gravel tracks that crisscross the island.
Last updated: July 12, 2026
5.0
(1)
35
riders
39.4km
02:25
420m
420m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.5
(2)
20
riders
42.3km
02:36
400m
400m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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4.0
(2)
29
riders
72.4km
04:16
540m
540m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
44
riders
55.1km
03:18
390m
390m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
9
riders
54.0km
03:12
430m
430m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Hammersø
photogenic round church with beautiful ceiling paintings
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Unfortunately, the structure on the tower is no longer there Therefore, a distant view is no longer possible
1
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If you’re continuing on the cycle path towards Allinge, be prepared for a steep section just after Ginesmine, where the paved road ends. The path climbs at a 22% incline for about 200 meters. There are stairs with a bike ramp, so you can push your bike up, but it’s no fun with a fully loaded touring setup.
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The tower is open and accessible. Unfortunately, the metal structure no longer exists, so the only view you have is of the forest and radar transmitter.
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When coming from Jons Kapel toward Hasle, be sure to push your bike. Going in the opposite direction is quite a climb.
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Unfortunately you only see trees from above
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There are over 10 dedicated no-traffic gravel bike trails around Hammersø, offering a variety of experiences for different skill levels. These routes are designed to keep you away from vehicular traffic, allowing for a more peaceful and immersive ride through Bornholm's unique landscapes.
The terrain around Hammersø is incredibly diverse, ranging from forest paths and backroads to dedicated gravel tracks. You'll encounter dramatic granite bedrock formations, tranquil lake shores, and varied forests. Some routes feature significant altitude changes, especially around Hammerknuden, adding a challenging element to your ride. Expect a mix of gravel and some asphalt sections, typical for Bornholm's extensive cycling network.
While many routes in the area are rated moderate, the region offers paths suitable for families looking for a car-free experience. Look for routes that stick closer to the lake or coastal paths for generally flatter sections. The extensive network allows for shorter, customizable rides that can be adapted for younger riders or those preferring a more relaxed pace. Always check the route details for specific distance and elevation before heading out.
Yes, many of the outdoor areas and trails around Hammersø are dog-friendly, provided your dog is kept on a leash. Bornholm is generally welcoming to pets. However, always be mindful of local regulations, especially in nature reserves or protected areas, and ensure your dog is comfortable with the distance and terrain of your chosen route.
The trails offer stunning views and access to significant landmarks. You can explore the majestic Hammershus Castle Ruins, Northern Europe's largest castle ruin, or enjoy panoramic coastal views from Hammerknuden. The picturesque Hammersø Lake itself, Denmark's only mountain lake, and the crystal-clear Opalsøen (Opal Lake) are also beautiful sights. Consider the Emerald Lake – Vang Quarry loop from Allinge-Sandvig for a route that takes you past some of these natural wonders.
Yes, many of the gravel bike routes around Hammersø are designed as loops, allowing you to start and end at the same point without retracing your steps. For example, the Heather Fields – Hasle Harbour loop from Allinge-Sandvig and the Heather Fields – Emerald Lake loop from Allinge-Sandvig are excellent circular options that showcase the region's diverse scenery.
The best time for gravel biking in Hammersø is typically from spring through autumn. Spring offers blooming landscapes and milder temperatures, while summer provides warm weather perfect for combining rides with swimming in the lakes. Autumn brings beautiful foliage and comfortable riding conditions. Always check local weather forecasts, as Bornholm can experience varied conditions.
The towns of Allinge-Sandvig and Tejn, which serve as common starting points for many routes, offer parking facilities. Public transport on Bornholm, primarily buses, can also provide access to various points around Hammersø, allowing you to reach trailheads. It's advisable to check bus schedules and bike transport policies in advance if you plan to use public transport.
The towns and villages surrounding Hammersø, such as Allinge-Sandvig and Hasle, offer a variety of cafes, restaurants, and shops where you can refuel. While the trails themselves might be remote, planning your route to pass through these towns or carrying snacks and water is recommended. Some routes, like the Heather Fields – Hasle Harbour loop from Tejn, will naturally bring you close to amenities.
The diverse natural environment around Hammersø is home to various wildlife. You might spot different bird species, including seabirds along the coast and forest birds in the woodlands. Keep an eye out for deer or smaller mammals. The clear waters of Hammersø are also known for their fish species. Remember to observe wildlife from a distance and respect their natural habitat.
Hammersø offers a truly unique gravel biking experience due to its combination of Denmark's only mountain lake, dramatic granite landscapes of Hammerknuden, and extensive network of car-free paths. The region's varied topography, from rugged coastlines to tranquil forests, provides a constantly changing backdrop. It's a place where you can combine historical exploration at Hammershus with challenging rides and serene nature immersion, all away from traffic.


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