Natureareas in Denmark

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The Nature Foundation’s areas in Denmark

Aage V. Jensen Nature Foundation has acquired 28 natural areas in Denmark in which the natural values are conserved, protected and developed, and where visitors are encouraged to experience nature from newly built boardwalk , planked paths and observation towers.


6 ha common land and scrub with fences and paths. The area is managed by the Danish Society for the Conservation of Nature in Sorø Municipality.


5 ha moorland with a very varied vegetation. The area is    managed by the Danish Society for the Conservation of    Nature in Norddjurs Municipality.

Eilinge – Æbelø:

7 ha salt meadows and common lands. Is left untouched.


2,320 ha lake, meadows, dune heath, dunes, scrub and wood. Previously the largest lake in Jutland, but from 1852 and onwards most of the lake was reclaimed for cultivation. The remnants of the lake have, however, always attracted large flocks of resting water birds, and now about 900 ha lake surface is being recreated. Building of paths and bird observation towers is planned to facilitate public access.

Gyldensteen Inddæmning:

616 ha formerly shallow inlet area with salty meadows. The area was diked in the 1870s and reclaimed for cultivation. By removing a number of the dikes the earlier coastal sea is recreated partly as a shallow marine inlet area in front of a withdrawn dike, partly as a fresh-water lake and reed forest area, and partly as a mosaic of grazed meadows and wetlands.

Hornbæk Enge:

113 ha meadows and lake. The meadows have a valuable fauna and flora, preserved by grazing. As a water environment project the area serves to reduce the leaching out of nitrogen and phosphorous from the earlier cultivated fields to the River Gudenå and to the Randers Inlet.

Hulsig Hede:

800 ha Atlantic dune heath. This, on a European scale endangered type of nature, is the habitat of rare plant and animal species, which are attempted protected through careful preservation. Sprouting conifers are removed and the moist areas are grazed.

Høstemark – Lille Vildmose:

570 ha mainly deciduous forest, raised bog and plains. About 460 ha have been fenced since 1933 and appear as a unique grazing forest with a flora and fauna rich in species. The vegetation pattern is maintained by the grazing of red deer. Two free admission observation towers have been built. The area is richer in species than most other areas in Denmark.

Kallø Grå:

30 ha partly filled-in salt common lands and a newly generated lake and a rich bird life. A network of paths has been established and a bird tower provides a free view of the area.


60 ha common land mixed with areas of near-surface bedrock – one of Bornholm’s endangered nature types. This is the habitat of one of Denmark’s rarest wild orchids. A more open landscape is being developed by the cutting down of conifers. Paths have been built for the convenience of the public.

Mjels Sø:

55 ha lake and meadows, recreated after many decades of draining and pumping. The regeneration of the lake reduced the leaching out of nitrogen to the Als Sound by 20 tons. The lake has a rich bird life and the potential of becoming an important recreational fishing area. A path leads visitors round the lake.


60 ha salt meadows with tidal furrows, small lakes and common lands with grazed vegetation. An important locality for breeding and resting water birds in the western part of the Limfjord.

Ovstrup Hede:

490 ha inland heath with some meadows and natural streams. To protect the heath vegetation and the animal life, the heath is preserved by cutting, burning and the grazing of red deer. Over time, the present number of small cultivated plots and coniferous plantations will be reduced. A public gravel road leads through the area.

Portlandmosen – Lille Vildmose:

500 ha raised bog and areas of plains and forests. Tree growth is removed from the bog surfaces, and the water level has been raised by means of sheet piling in ditches and cuts, which are little by little becoming overgrown by the raised bog. A large network of boardwalks, some of them handicap-friendly, makes the bog accessible to visitors.

Råbjerg Hede:

400 ha Atlantic dune heath with scattered ponds and shallow lakes. Minor coniferous plantations to the south are prevented from spreading over the area.

Råbjerg Mose:

70 ha heather bog and previously cultivated grass areas. Part of the heather bog is registered.

Rågø og Rågø Kalv:

90 ha mainly common lands and salt meadows. About 30 ha function as a gene bank for 40 species of indigenous Danish trees and bushes, which are here protected from pollination from outside. Rågø Kalv has a rich bird life.

Snarup Mose:

70 ha bog with adjoining deciduous forests. The water level in the area is raised to recreate the bog in its pristine state. Snarup Mose is one of the best insect habitats on Fyn.


30 ha common lands, continuous grass areas and meadows. The area is managed in cooperation with the Danish Society for Nature Conservation in Faaborg.

Tofte – Lille Vildmose:

4,140 ha raised bog, deciduous forests, plains, lake and some coniferous plantation. The largest active raised bog in the North West European lowlands (fenced since 1907) and a unique grazing forest with a flora and fauna rich in species. The area is grazed by wild boar. It is also the habitat of a large cormorant colony and a breeding place for the golden eagle, the white-tailed eagle and the crane. Two free admission observation towers and a boardwalk across the bog have been built.


14 ha swamp forest, peat banks and small lakes. An area with a rich bird life. The nature experience is enhanced through information material and active nature guidance. The area is managed by the Danish Bird Protection Foundation.


5,600 ha meadows, reed forest and lakes on the Limfjord coast. A scientific nature reserve since 1960 and one of the most important areas in North West Europe for both breeding and resting water birds. An optimal water level is maintained and the meadows are grazed. The Foundation has built 5 bird observation towers and a visitor centre.

Vilsted Sø:

850 ha lake and meadows which were reclaimed for farming in the period of 1870 to 1998. Of the 450 ha lake almost two thirds are expected to develop into reed forest in time. In cooperation with the local authorities the Nature Foundation has created a project that will reduce the leaching out of nitrogen and phosphorous to the Limfjord. The rich bird life can be observed from the paths and from the high bird observation tower. The area is managed by the Danish Nature Agency.

Vitsø Nor:

110 ha newly created lake and wet and dry meadows. The area was originally a regular inlet, which was diked already in 1788 with one of Denmark’s first sea dikes. In 2009 the water level was raised so that half of the area will in future be a lake and the other half meadows. The meadows have a rich flora and fauna, and an increasing number of water birds breed in the uncultivated areas.

Vorup Enge:

100 ha meadows and lake. From Randers Nature Centre you have a fine view of the area and the River Gudenå. The meadows are preserved by grazing, and the leaching out of nitrogen and phosphorous from the previously cultivated fields has been reduced by an environment water management project. The area is managed by the Nature Foundation, and Randers Rainforest is responsible for the grazing in a project with European bison and old Danish livestock breeds.

Væth Enge:

100 ha meadows and wetlands on the River Gudenå. The meadows are preserved by grazing. The leaching out of nitrogen and phosphorous to the river has been reduced.

Æbelø including Dræet and Æbeløholm:

275 ha deciduous forest, plains and salt common lands. The forest on the island of Æbelø with its crooked trees and fallen tree trunks is assuming the character of a natural forest, and little by little the natural wetlands on the island are recreated. Fallow deer and mouflons (wild sheep) graze on the island and thereby help create optimal conditions for many water birds.


158 ha shallow lakes and grazing areas. Originally a branch of Odense Fiord, but diked and reclaimed in the 19th century.  The dike has been preserved, and the water level behind the dike has been raised for the benefit of the fauna. Since 1999 the area has developed into one of Fyn’s most important breeding areas for water birds and a resting place for a large number of bird species. The Foundation has established two bird towers.