The railway line connects Morioka Station in Morioka City to Miyako Station in Miyako City, and is named after the town of Yamada in Iwate Prefecture, which the line used to serve.
Morioka Station in Morioka City is connected by this railway line to Miyako Station in Miyako City. The line takes its name from the town of Yamada in Iwate Prefecture, where it once operated.