Örskär
Östhammar Municipality, Sweden · built 1969
Örskär, is a Swedish island and lighthouse station located north of Gräsö on the Uppland coastline. A large part of the island is a nature reserve and it is rich of unusual flowers such as wild orchids. The island is also noted to be a good place for birding. A very small hostel exists on the island.
NatureReserve data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).