The Narita Yume Bokujo narrow gauge railway (Japanese 成田ゆめ牧場軽便鉄道) or Makiba Line (まきば線) is an approximately 1⁄3 mile (0.5 km) long narrow gauge heritage railway with a track gauge of 2 ft (610 mm) near the Japanese City of Narita in Chiba Prefecture.

The railway is operated on several days per year by the Rasuchijin Railway Association (羅須地人鉄道協会).

[1] The railway is located at Narita Dream Dairy Farm, a 75 acres (30 hectares) agriculture theme park close to Tokyo Narita Airport.

Visitors to the farm can watch milk production, and buy ice cream and yoghurt produced there.

[2]