The Ouras - Ouran saaristo in Finnish, also called Karvianourat, and Skarvorarna in Swedish - lie four to six kilometres off the Merikarvia shore. Most are skerries: low, scoured, bare, holding lichen and wind and not much else. A handful are substantial enough to carry forest, with boggy hollows in their interiors. Pastuskeri, Hevosluoto, Lankrunni, Kuuskrunni, Hamskeri and Stukkrunni are the largest. The smaller islands still carry the marks of grazing in their vegetation, left from the generations when livestock were put out to summer on rocks far too stony to farm. And this coast is still growing. Post-glacial rebound has been lifting the entire Bothnian shoreline since the ice sheet withdrew, slowly enough to be invisible in a lifetime and fast enough that by the fourteenth century it had made the Kokemäenjoki impassable for shipping and forced Pori to be founded closer to the sea. The Ouras are, quite literally, still rising.

Getting through a field of three hundred rocks has never been casual. The Ouran pooki, a beacon marking the route into Merikarvia harbour, was first built in 1850 on Pookikari. More consequential was the pilot station on Ouraluoto, the main island, where pilots lived so that vessels could be taken through water no chart makes simple. The station worked until 1968. It was not left to rot afterwards: the building now provides accommodation and meeting space, with a viewing platform on its third floor - the one place in the archipelago where the shape of the thing becomes legible, since at sea level a ring of three hundred islands simply looks like rocks. Boats run out from Krookka harbour on the mainland. The channel to Ouraluoto carries 1.8 metres of water; the small recreational harbour at Hamskeri needs 1.2.

In 2011 the archipelago became part of Selkämeri, the Bothnian Sea National Park, which is a peculiar sort of park in that roughly ninety-eight per cent of its surface is water. It stretches about 160 kilometres along the coast between Kustavi in the south and Merikarvia in the north, covers 917 square kilometres, is run by Metsähallitus, and drew 79,400 visitors in 2024. The Ouras are also a Natura 2000 site. Birds are abundant here in a way that repays sitting still: white-tailed sea eagles work the outer islands, eiders and goldeneyes and grebes use the sheltered shallow bays and the juniper scrub for nesting, and mallard and pintail pass through on migration. Grey seals hold the open water beyond. The emptiness of the islands is not a shortcoming. It is the entire asset.

Arvo Salo was born in Merikarvia on 2 May 1932 and died there on 9 July 2011. In the years between he was a writer, a journalist, a Social Democratic member of parliament from 1966 to 1970 and again from 1979 to 1983, and Minister of Education and Culture in 1982 and 1983. His best-known work for the stage was Lapualaisooppera in 1966. He took the Eino Leino Prize in 1964 and an honorary professorship in 2003. Then he wrote an opera about the islands off his home parish and handed it to amateur performers on a stage put up at a harbour. Merikarvia has around 2,800 residents in a municipality of 1,246 square kilometres, 800 of them water. It separated from Ulvila parish in 1639, and though it was once largely Swedish-speaking it is now Finnish only, holding on to a dialect that preserves sounds most of southwestern Finland has let go. The Ouraooppera was not a career decision. It was a man setting down where he was from.