Ruhnu

Ruhnu Runö
Flag Coat of arms
Coordinates: 57°48′N 23°15′E
Country	Estonia
County	Saare County
Administrative centre	Ruhnu village
Area
• Total	11.9 km2 (4.6 sq mi)
Population  (06.03.2023)
• Total	136
• Density	8.2/km2 (21/sq mi)
Website	ruhnu.ee

Ruhnu is an Estonian island in the Gulf of Riga in the Baltic Sea. It is part of Saare County but is close to the Latvian mainland. It is 11.9 square kilometres (4.6 sq mi), 150 people live there.

Ruhnu Parish has the smallest population of Estonia's 79 municipalities. Before 1944, it was for centuries populated by ethnic Swedes and traditional Swedish law was used. Almost all the Swedish people left for Sweden during the second World War.

The island's wooden church was built in 1644. It is one of the oldest wooden buildings in Estonia.

There is an airfield with flights from Pärnu and Kuressaare.

There is a lighthouse on the highest point of the island, Haubjerre hill. It was made in France and shipped to Ruhnu for assembly in 1877. The structure is believed to have been designed by Gustave Eiffel.