"The Mountain" is the first single off Three Days Grace's sixth studio album Outsider. The song peaked at number one on the Billboard Mainstream Rock chart in March 2018 and became Three Days Grace's 13th number one on the chart while tying the record with Van Halen.

In an interview with Digital Journal, guitarist Brad Walst said "The Mountain" was originally written in September 2016 and about overcoming the daily difficulties in life. Three Days Grace's drummer Neil Sanderson similarly told iHeartRadio that the song was about dealing with repetitive events that you have to complete and left without a choice.

While talking with Detroit radio station WRIF, lead singer Matt Walst said he sang the highest ever during his musical career on "The Mountain". On the song's final chorus, Walst believed his voice reached a high D.

"The Mountain" was released as the first single off Outsider on January 25, 2018 with an accompaning music video. In the music video, the band is singing in a Ultimate Fighting Championship ring with a guest appearance by Misha Cirkunov. The music video was directed by Sean Cartwright.

Digital Journal said "The Mountain" had "infectious riffs and strong hooks" alongside relevant and hopeful lyrics.

In the final week of March 2018, "The Mountain" peaked at number one on the Billboard Mainstream Rock chart and became the 13th number-one song for Three Days Grace on the Billboard chart. With "The Mountain", Three Days Grace tied the record with Van Halen for the most number one songs on the Mainstream Rock chart.

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Wikipedia