The section from Shiomibashi to Kishinosato-Tamade, called the "Shiomibashi Line" (汐見橋線?), has trains operating only in between those two stations. The section from Hashimoto to Gokurakubashi and the Koyasan Cable is named the "Koya Flower Railway" (こうや花鉄道?) by operating a sightseeing train "Tenku".
All the southbound trains are operated from Namba to Kōmyōike or Izumi-Chūō on the Semboku Rapid Railway Line. On weekday mornings, northbound trains for Namba are operated from Mikkaichicho, Kawachinagano and Chiyoda in addition to the through trains from the Semboku Rapid Railway Line.
All trains are operated between Namba and Gokurakubashi, and use a special "Zoomcar" rolling stock. On weekday evenings, southbound trains for Hashimoto from Namba are operated using other rolling stock.
From July 3, 2009, trains operate between Hashimoto and Gokurakubashi daily except Wednesdays and Thursdays from March until November, and on Saturdays, Sundays and national holidays from December until February. They stop at Kamuro and Kudoyama.
For fare calculation, the distance between Tengachaya and Tezukayama is defined as 1.8 km
The Takano Railway opened the Shiomibashi to Sayama section between 1898 and 1900, and extended the line to Kawachinagano in 1902. That section was electrified at 600 V DC in 1912. All further extensions were electrified when opened.
The Kawachinagano - Mikkaichicho section opened in 1914, and the line was extended to Hashimoto the following year. In 1922, the company merged with Nankai, and the Hashimoto to Gokurakubashi section opened in 1929.
Double-tracking of the line commenced in 1924, reaching Kawachinagano in 1938. The line voltage was increased to 1,500 V DC in 1973, and the following year, double-tracking reached Mikkaichicho, and Hashimoto in 1995.