kayaking the calm water of the mangrove forest river in amami oshima island

activity adventure amami bay boat calm canoe canyon coast conservation destination ecosystem environment float forest green growth holiday island jungle kayak landscape leisure mangrove mountain muddy nature oshima outdoor paddle plant rainforest river bank root salttolerant scenery sea shore sport tidal tide tourism travel tree tropical water waterfront wild wilderness blue botany coastline dense ecology foliage lake leaf natural park reflection wetland alone aquatic clouds countryside japan panorama paradise scenic shoreline seashore