竜頭の滝, 栃木県 日光市

water body of water nature outdoor sky lake beach island landscape mountain cloud coastal and oceanic landforms coast ocean continental shelf water resources plant highland headland cliff cape reef aqua azure swimming cay sea blue inlet shore rock tree watercourse nature reserve river forest ravine riparian zone fluvial landforms of streams natural landscape mountain river stream tributary wilderness creek turquoise shoal spit lagoon tropics clouds distance day estuary aerial map jungle state park rainforest narrow bight klippe islet bay skerry raised beach stack promontory national park valley mountain range fjord arroyo drainage basin riparian forest bank tarn grass