| Hongyancun | |
| Native Name: | 红岩村 |
| Native Name Lang: | zh-Hans |
| Style: | CRT |
| Address: | Chongqing |
| Country: | China |
| Operator: | Chongqing Rail Transit Corp., Ltd |
| Line: | |
| Platforms: | 1 island platform 2 side platforms |
| Structure: | Underground |
| Code: | 9/07 5/19 |
| Opened: | [1] (Line 9) (Line 5) |
Hongyancun station is a station on Line 9 of Chongqing Rail Transit in Chongqing Municipality, China,[2] which opened in 2022.[1] It is located in Yuzhong District. Line 5 also reaches the station since November 2023.[3]
The station is the deepest metro station in the world. The deepest point of the station is 116m (381feet) below the ground.[4] [5] [6] [7] With the top of rail 106m (348feet) below the surface.[8] Regardless, the depth breaks China's previous record depth of Line 10's Hongtudi station[9] and surpasses the depth of the Kyiv Metro's Arsenalna station, the previous record for deepest metro station.
The vertical height difference between Entrance 2 and Entrance 4 of the station is over 141 meters (463 ft).[10] From Entrance 2, you will need to take a three-segment ascending moving walkway that is approximately 105 meters long, and it takes about 6 minutes to access the Line 9 platform; while from Entrance 4, its a seven-segment descending escalator ride that takes about 8 minutes (if not by lift).[11]