Opening hours 2021 Open from 01/05-21 till 24/10-21Friday: 12.00-18.00Weekends and public holidays: 10.00-17.00Open every day during the school’s summer holidays 26/06-08/08Open every day during the Danish Autumn vacation 16/10-24/10 Prices Children (0 – 11 years):: DKK. 35,-Children – Annual pass: DKK. 75,-Adults (12+ years): DKK. 45,-Adults – Annual pass:: DKK. 130,- Booking Harteværket offers a number of exciting activities and facilities:See more Canoe Rental Guided Tour Conference Room Shelters Download our folder for 2021 right here The plant See a timeline of the history of Harteværket experiences Harteværket offers lots of fun, knowledge and experiences for children and adults alike