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Gressholmen
SommerStrand
Oslo
17.8 °C· measured 13 September
Ruter boat B1 from Aker brygge, about 20 minutes.
A nature reserve in the inner fjord with a small sandy beach below Gressholmen Kro and smooth rocks towards Rambergøya. Calm and rural, with a café on the island. As a nature reserve it has some rules, so stick to the paths and beaches.
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Added on 01.08.2026. We have not reviewed the details since.