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Information center Kosterhavet

Welcome to Kosterhavet National Park with information centre Naturum, in Ekenäs on South Koster. Naturum offers expert help and has displays about the natural history of the Kosterhavet.


At naturum, you can learn almost everything there is to know about the National Park and has displays about the natural history of Kosterhavet.

Audioguides in english and german for free.

Special demonstrations for school classes and other groups can be booked throughout the year, please contact on

You can read more about the National Park and down load a map of the Koster Islands to the right (as a pdf-document).

Contact information

Kosterhavets nationalpark
Hamnevägen 30
45205 Sydkoster
Phone: +46 10 2245400
Visiting adress: Ekenäs Bryggan



Kosterhavet National Park

Sights: Rich fauna above and below the sea surface, including seals, the coral Lophelia pertusa and the silver-washed fritillary. Fine areas for walking, bird watching, beautiful rocky shorelines and clear waters for snorkelling.


Location: Kosterhavet Marine National Park is in northern Bohuslän and can be reached from several towns along the coast. Koster boats depart from Strömstad all year round, passing through the national park on their journey to the Koster Islands. There are beautiful views over the Koster Sea from the islands of Resö, Rossö and Tjärnö, where more information is also available.

Opening hours

Opening hours 2015

June 20 - August 23
Every day 10 am - 5 pm

August 27 - September 20
Thursday - Sunday 11 am - 5 pm

September 22 - 27
Tuesday - Sunday 11 am - 3 pm

October 1 - December 20*
Thursday - Friday 11 am - 5 pm
Saturday - Sunday 11 am - 3 pm

*October 27 - November 1 (school holiday)
Tuesday - Sunday 11 am - 5 pm

December 27 - 30 (school holiday)
Every day 11 am - 5 pm

Closed on Christmas Eve, Christmas Day, Boxing Day, New Year´s Eve, New Year´s Day.



Free entrance

Public transport

Information about accessibility
We reserve the right to make any changes. Bookings and product purchases are made directly with the product owner whose name appears on the reservation. Any complaints are referred to the respective product owners. Edit product