mount oakan with akanko lake under blue cloudy sky, hokkaido

green akanko akan mashu national park countryside fishing holiday recreation scenics nature volcano outdoors clouds lakeside landscape hokkaido japan lake travel outdoor blue sky mountain beautiful summer tourism view water scenic forest background sightseeing kushiro environment tree island japanese scenery autumn hill mount oakan cloudy majestically rises tranquil set backdrop dappled clouds located picturesque scene captures harmonious coexistence mountainous grandeur serene waters epitomizing region's natural beauty