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Visitors circle the corten steel crown of the Forest Tower above the Danish forest canopy
EFFEKT’s visualization of the tower’s crown, which proved remarkably true to the built structure.

When we first shared this project in 2017, the spiral was still a rendering and the opening date a hopeful promise. The promise was kept. The Forest Tower at Camp Adventure, known in Danish as Skovtårnet, opened in the spring of 2019 in Gisselfeld Klosters Skove, a historic forest about 60 kilometers south of Copenhagen, and it has since become one of Denmark’s best loved day trips.

Designed by Copenhagen studio EFFEKT with engineers at Arup, the tower rises 45 meters on an elegant hourglass frame of weathered corten steel and locally sourced oak. The pinched waist is not just a flourish. It opens the structure to daylight, steadies the geometry, and gives climbers a constantly shifting view of the surrounding beech forest. The visualizations we first spotted via BoredPanda are shown here, and the finished tower matches them to an uncanny degree.

A 45 Meter Spiral Above the Beech Canopy

The hourglass shaped Forest Tower rises 45 meters over Gisselfeld's treetops in South Zealand
Looking straight down through the coiled oak spiral of Camp Adventure's Forest Tower ramp
The ramp coils at a gentle grade the whole way up.

From the top platform on a clear day, the view sweeps across South Zealand’s forests, lakes, and farmland, a green patchwork that stretches to the horizon. The climb itself is the point, though. The walkway spirals upward so gradually that the ascent feels like a slow reveal rather than a workout, with the canopy dropping away beneath your feet one loop at a time.

A 900 Meter Boardwalk Through the Treetops

A curved section of elevated boardwalk dips between beech trees as walkers rest along its edge

The tower is the finale of a 900 meter elevated boardwalk that threads through some of the oldest parts of the forest, splitting into a high route through the canopy and a lower path along the forest floor. Crucially, the entire journey is ramped. There is not a single stair between the trailhead and the summit, which makes this one of the very few major lookout towers anywhere that a wheelchair user or a parent pushing a stroller can summit without help.

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Illustrated map of Camp Adventure's 900 meter treetop boardwalk ending at the observation tower
The route through Gisselfeld Klosters Skove, ending at the observation tower.

Planning a Visit

Camp Adventure is open year round, and the Forest Tower now draws visitors by the hundreds of thousands. Adult tickets run about 200 Danish kroner, roughly 30 dollars, with discounts for young children and for booking a few days ahead. Locals will tell you to come in autumn, when the beech canopy turns copper to match the steel, or at dawn, when fog pools between the trees below the crown.

A lone walker follows the low wooden boardwalk through dense green forest near ground level

Few structures manage to be both a serious piece of architecture and a genuine family outing. This one does both, which is why it keeps company on our list of the most extraordinary buildings and near the top of any Denmark travel itinerary.

By Moss & Fog Staff

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Author

Ben VanderVeen is the founder and editor of Moss & Fog, one of the web’s longest-running visual culture destinations. Since 2009, he’s been finding and framing the most beautiful, surprising, and thought-provoking work in art, architecture, design, and nature — reaching over 325,000 readers each month. He lives in Portland, Oregon.

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Our best stories on design, nature and architecture, plus Fog Signals, our weekly letter of favorite finds. Free, and easy to leave anytime.

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