북회 선 (North Link Line Taiwan Railways, 台鐵 北迴線 )
The northern portion of the main line running along the east coast from Yilan to Hualien, the North Link Line services stations between Su'aoxin and Hualien, with many trains providing through service to Taipei via the Yilan Line.
North of Su'aoxin Station, the North Link Line connects to the Yilan Line. South of Hualien Station, the Hualien Line connects to the Taitung Line.
Trains traveling along the North Link Line section of the main line have varying destinations with through service on connecting lines. Many trains heading north to Taipei terminate after Taipei Main Station at Shulin Station. Trains traveling south to Taitung from Taipei or Yilan may terminate south of Hualien City or at Taitung Station.
Passengers visiting Taroko Gorge may choose to alight at Xincheng Taroko Station, as it is closer to the entrance of the park.