2 ft 6 in gauge railways in Japan

Hidaka Takushoku Railway (converted to 1,067 mm (3 ft 6 in) gauge) (operating)
Jōshin Dentetsu Jōshin Line (converted to 1,067 mm (3 ft 6 in) gauge) (operating)
Kabe Line (converted to 1,067 mm (3 ft 6 in) gauge) (operating)
Kintetsu Yunoyama Line (converted to 1,435 mm (4 ft 8+1⁄2 in) gauge) (operating)
Kiso Forest Railway (defunct)
Kurama-dera Cable (converted to 800 mm (2 ft 7+1⁄2 in) gauge) (operating)
Kurihara Den'en Railway Line (converted to 1,067 mm (3 ft 6 in) gauge) (defunct)
Kururi Line (converted to 1,067 mm (3 ft 6 in) gauge) (operating)
Nagareyama Line (converted to 1,067 mm (3 ft 6 in) gauge) (operating)
Ōigawa Railway Ikawa Line (dual gauge lines with 1,067 mm (3 ft 6 in) gauge track previously present) (converted to 1,067 mm (3 ft 6 in) gauge) (operating)
Okinawa Prefectural Railways (converted to 1,067 mm (3 ft 6 in) gauge) (defunct)
Ryūgasaki Line (converted to 1,067 mm (3 ft 6 in) gauge) (operating)
Sakagawa Line (defunct)
Tobu Kinugawa Line (converted to 1,067 mm (3 ft 6 in) gauge) (operating)
Tōbu Yaita Line (converted to 1,067 mm (3 ft 6 in) gauge) (defunct)
Tomakomai Light Railway (converted to 1,067 mm (3 ft 6 in) gauge) (operating)
Uchiko Line (converted to 1,067 mm (3 ft 6 in) gauge) (operating)

Taiwan:

Railways