Sea caves on rocky coastline at scenic Knysna Heads, Garden Route, South Africa

knysna heads knysna river mouth garden route attractions rocky coastline knysna lagoon garden route travel rocky coast garden route garden route tourism knysna sea caves coastline travel south africa western cape river mouth coast south africa landscape featherbed nature reserve coastal view lagoon nature scenery environment beautiful nature vista the heads tourist destination scenic tourism estuary natural beauty picturesque lookout deck ecology pristine travel aquatic ecosystem high angle outdoors no people sightseeing nobody dramatic attraction iconic