No single was released and the complete album was shipped to radio stations playing music in Americana, bluegrass and folk formats.

[2] Harmer grew up near the Niagara Escarpment in southern Ontario, and learning of the threat of development there, she began to raise awareness about the situation.

Music critic Marisa Brown, writing for Allmusic noted the traditional tone of I'm a Mountain and wrote: "The musicianship on the entire album is fantastic, especially the guitar, which ranges in style from Lynyrd Skynyrd-type riffs to bluegrass fingerpicking with a classical bent.

She also writes "Harmer occasionally falls victim to the folksinger's greatest vice, the overextended metaphor, but for the most part her lyrics are direct and personal without being too sentimental, and her melodies are tuneful and catchy but not too predictable... it is Harmer's voice that her fans want to listen to, and I'm a Mountain delivers that perfectly.

"[3] Billboard magazine's review singled out several songs, writing "Harmer's ongoing personal discovery has been a joy through these past few years, and with this latest turn is no different.