The lakeside sauna of Lappi is located next to the lake Narvijärvi, at Ruonantie 319. Turn from route 12 to the street Hinnerjoentie and drive for about 2 kilometers, then turn to Ruonantie and drive about 2 kilometers. Distance from the centre of Rauma is about 24 km.
Sauna is available for reservations.
More information and pictures in Facebook.