Twin Peaks is a live album by hard rock band Mountain. Their first release following their 1972 breakup and subsequent reformation, the lineup consisted of original members Leslie West and Felix Pappalardi joined by guitarist/keyboardist Bob Mann and drummer Allan Schwartzberg. The revamped Mountain toured Japan, from which the album's material is culled. The original release was a double album consisting of a whole second disk (31 minute, 49 second, both sides) LP version of "Nantucket Sleighride", the first one holding all other tracks (the 2005 CD release on Repertoire Records restores this original order of tracks).
Allmusic lauded the album in their retrospective review, describing it as one of the band's best performances and remarking that "The content ends up showing off the best and the worst attributes of Mountain". They especially praised the rendition of "Nantucket Sleighride", saying that it "doesn't seem that long in the actual listening, mostly because it's difficult not to be impressed with the playing, especially the guitar dialogue between West and Mann."