Bayan-Ölgii Province longwave radio broadcast tower (Mongolian: Баян-Өлгий аймгийн радио өргөн нэвтрүүлгийн урт долгионы цамхаг[1]) is a guyed mast, and the tallest structure in Mongolia at a height of 352.5 meters.

The radio center and station's foundations were laid in 1961, with aid from Czechoslovakia, while the mast was constructed in April 1964.

[1] It is located in Ölgii in Bayan-Ölgii Province.

On it radio advertisements and the local time are written in large letters.

This article about a building or structure in Mongolia is a stub.