river in oulanka national park, finland. summmer traveling in north of europe. wooden house near the river water. waterfall in oul

area autumn beautiful blue characteristic current eastern europe fall finland finnish foam forest forestry green hiking house landscape leisure national natural nature near north northern oul oulanka outdoor outdoors park pine preserve protection rapid river rock scandinavia scenery scenic sky spume stone stream summer summmer taiga tourism travel traveling tree valley view water waterfall wilderness wildlife wooden