Tvedestrand
Tvedestrand aquapark is open every day during the summer season, and is free of charge.
Tvedestrand's very own aquapark is situated at Tjenna, a lake easily accessible from the rest of the town. Using the park is free of charge, and you can also borrow kayaks, canoes and SUP boards and life jackets. All children under the age of 12 must wear a life jacket while in the aquapark.
Open every day during the summer season from 11.00-18.00.
There is also a kiosk nearby, open 11.00-18.00 from end of June.
More information can be found here: Tvedestrand Badepark.
Source: Arendal Turistkontor