Area
26 hectares
Nautical Chart Folio
A 621, A 623
Address
Porvoo
Services
information board, mooring rings, campfire sites, dry toilet
Onas is located on the southwest side of Emäsalo. It is wide island group in the Porvoo archipelago. The Uuvi outdoor recreation area is in the southeast part of Onas island and opens out onto a waterway. The granite rocks on the southern end of the area offer an astounding view of the Gulf of Finland. Rönnskär, located approximately one kilometre to east of Onas, is also a part of the Uuvi recreation area. Rönnskär is a small rocky island and is home to an old waterway beacon.
You are allowed to build a fire in the campfire site intended for the purpose in the map. When a wildfire warning is in force it is forbidden to make a fire also in the campfire site.
Dogs and other pets must be kept on a leash.
Onas is located on the southwest side of Emäsalo. It is wide island group in the Porvoo archipelago. The Uuvi outdoor recreation area is in the southeast part of Onas island and opens out onto a waterway. The granite rocks on the southern end of the area offer an astounding view of the Gulf of Finland. Rönnskär, located approximately one kilometre to east of Onas, is also a part of the Uuvi recreation area. Rönnskär is a small rocky island and is home to an old waterway beacon.
Destination information
The best landing place is the surface rock on the northern edge of the area. Visitors should note the boulders in the water. The area’s information board, campfire site, and dry toilet are all close to the landing site. It is also possible to land small boats on the southern end of the island.
There are many boat ramps on the mainland not far from Onas, for example in Sipoo Kalkkiranta and Spjutsund. To the west of Onas lies the Kaivokari outdoor recreation area and a harbour owned by the City of Helsinki.
Accessibility
Onas is not an easily accessible destination due to rough terrain at the landing sites and the area’s topography.
Additional information
The Nikuviken recreation area owned by Kerava city is only 11 kilometres from Onas. There is also another Uuvi recreation area close by — Stornässudden in Emäsalo is approximately 20 kilometres from Onas.
The Onas archipelago boasts a lot of heritage landscapes and buildings, and relic sites like troy towns. There are also several wooden shipwrecks underwater. The relic sites are protected by law. Rönnskär island (2 hectares) and its waterway beacon built in 1905 are also part of the Uuvi recreation area.