tasman river flowing out of tasman lake in the mount cook national park

water rock mountain snow nature sky landscape lake ice sea river ocean beach cloud outdoors rocky range hill stream winter valley slope glacier coast outdoor person travel scenery natural fluvial landforms streams standing peak watercourse cook national park gtasman alpine glacial southern alps iceberg formation tourist destination tourism adventure hike trek global warmoing climate change warming group icebergs floating surface tasman mount tasm flowing rushing