azusa river and hotaka mountains in kamikochi, nagano, japan

alpine alps asia azumino azusa beautiful blue bright chubu city famous fresh green healing hida hiking hotaka hotakadake japan japanese kamikochi landscape matsumoto midsummer monument mount mountain nagano national natural nature northern oku park plants pond prefecture promenade range resort river rock rocky sangaku scenery scenic shinshu sightseeing sky special summer sunny tourism tourist travel trekking valley