Line 6 of the Chengdu Metro (Chinese: 成都地铁6号线; pinyin: Chéngdū Dìtiě Liù Hào Xiàn) is a rapid transit line in Chengdu.

It starts at Wangcong Temple and ends at Lanjiagou.

The line began construction in 2016 and was opened on 18 December 2020.

[1][3] Line 6 uses high capacity 8-car Type A trains.

[4] Line 6 became the longest stretch of subway to be opened at once in China[5] and since its opening, Line 6 is currently the second longest continuous subway tunnel in the world.