Map of three Narita rivers: Nekonagawa 根木名川, Araumigawa 荒海川, Kobashigawa 小橋川, plus the Inba Numa swamp. For more maps of Lake Inba Numa swamp, see: Lake Inba Numa map 印旛沼地図
Map of three Narita rivers: Nekonagawa 根木名川, Araumigawa 荒海川, Kobashigawa 小橋川, plus the Inba Numa swamp. For more maps of Lake Inba Numa swamp, see: Lake Inba Numa map 印旛沼地図