Magdagachi (Russian: Магдага́чи) is an urban locality (an urban-type settlement) and the administrative center of Magdagachinsky District of Amur Oblast, Russia, located 367 kilometers (228 mi) northwest of Blagoveshchensk.

[8] It was established in 1910 in connection with the construction of the Amur Railway; both the settlement and the railway station were named after the stream called Magdagachi, which flows into a tributary of the Amur River.

Magdagachi experiences a monsoon-influenced humid continental climate (Köppen Dwb) bordering upon a subarctic climate (Dwc) with very cold, dry winters and warm, humid, and rainy summers.

Magdagachi has a station on the Trans-Siberian Railway 7,494 kilometers (4,657 mi) from Moscow).

There is also a small regional airport (IATA Code GDG, UHBI), but it is not currently in service.