title: Rayakoski
text: # Rayakoski
  
  Rayakoski (Russian: Раякоски; Finnish: Jäniskoski/Rajakoski, Norwegian: Grensefoss lit. border rapids) is a rural locality (an inhabited locality) in Pechengsky District of Murmansk Oblast, Russia, located adjacent to the tripoint between Finland, Norway, and Russia. Population: 238 (2010 Census).
  
  ## Overview
  
  Rayakoski is located around the Rayakoski Hydroelectric Power Plant, built in 1956.
  
  ## History
  
  In 1947, Finland sold the 169 square kilometer (65 sq mi) Jäniskoski area with its hydroelectric plant, in exchange for Soviet-confiscated German investments in Finland.
  
  