Take care of the island

The Ertholmene archipelago is a conservation area

Everything on the islands – structures, landscape, flora and fauna – holds protected status.

And we need your help to preserve the vulnerable natural surroundings and historical sites by following these rules:

Island Rules

  • Do not climb or walk on the fortress walls and stone fences.  Do not remove stones from the fortress walls and stone fences.
  • Picking flowers and plants is prohibited.
  • Do not litter or leave behind rubbish.
  • In order to protect nesting birds on the island, dogs and cats may not be brought ashore.
  • During the eider nesting period, from 1 April to 15 June, it is not permitted to go beyond the walls.
  • Tents may only be set up at designated campsites.
  • Open fires are only permitted at the barbecue pits at the harbour and in Kongens Have, both on Christiansø.
  • Drones are only allowed when flown by licensed drone pilots with permission from both Christiansø Administration and the Danish Transport, Construction and Housing Authority.
  • The speed limit in the waters surrounding Ertholmene is max. 12 knots.
  • Sailing within 100 metres of Tat and Græsholm is prohibited (commercial traffic excluded).
  • School groups: Teachers must accompany students at all times.
  • Respect the privacy of island residents. Do not enter private homes and gardens.
See our Island Rules poster here (in Danish)

Read the legislation granting protected status to the Ertholmene archipelago and surrounding terrestrial waters (In Danish) here