"Fire on the Mountain" is a song by the Grateful Dead. It was written by lyricist Robert Hunter and composed by drummer Mickey Hart. It was commercially released on the album Shakedown Street in November of 1978.

Prior to the recording, the song premiered at a concert on March 18, 1977 at the Winterland Arena in San Francisco. The song would often be paired with "Scarlet Begonias" during live performances, producing lengthy musical excursions. The paired songs were soon nicknamed "Scarlet Fire".