Yyteri (Finnish: [ˈyːˌteri]; Swedish: Ytterö)[1] is a district and a beach in the city of Pori, Finland.
The distance from Helsinki to Yyteri is about 260 kilometres (160 mi) and it takes more than three hours to get there by car mainly along Highway 2.
There was a unisex nudist area in the centre of the beach, which was a few hundred metres wide, one of only two in the entire country in Finland; however, it was closed due to complaints from concerned parents in April 2021.
An 18-hole golf course is located in the Yyteri area and there are also many other outdoor activities including surfing, beach volley, riding and over 30 kilometres (19 mi) of hiking routes.
The well-being of Yyteri's local pinetrees is threatened by Acantholyda posticalis, the control of which is being tested with roundworms in 2011.