If Woodstock epitomized the idealism of the 1960s, the Altamont Speedway Free Festival, held less than four months later on December 6, 1969, tragically signified its demise. While Woodstock showcased a flawed but hopeful vision of counterculture ideals like free love and universal music, Altamont presented a stark contrast, effectively destroying the era’s hopefulness in a single day, a sentiment amplified by the concurrent Manson Family murders. This infamous event is remembered as the moment the era of peace and love concluded.

The genesis of Altamont lay in the Rolling Stones’ desperate financial straits. By 1969, the band faced severe money troubles, with royalties consumed by their former business manager, Allen Klein, and no tours since 1966. With Keith Richards battling heroin addiction and Brian Jones — who was fired and died three weeks later — unable to travel due to a drug conviction, their film projects had also faltered. To alleviate their predicament, the band embarked on a tour with famously expensive tickets. Mick Jagger envisioned a grand finale: a massive free concert, filmed to conclude a movie about their tour, which they believed would cement their legacy and generate much-needed funds. The Altamont Speedway Free Festival indeed proved unforgettable, though for reasons nobody desired or anticipated.

Much like Woodstock, Altamont was plagued by last-minute venue changes. Originally slated for San Francisco’s Golden Gate Park, city authorities denied permission due to justified crowd fears. Sears Point Raceway was then chosen, but its owners demanded a share of the profits from the Stones’ planned movie. At Mick Jagger’s insistence, the venue was moved to Dick Carter’s Altamont Speedway just two days before the festival. The Speedway was smaller than ideal, and without time to construct an elevated stage, performers would be overlooked by the crowd from a hillside, creating dangerous conditions for a crush. Carter himself was nearing bankruptcy, and his venue lacked adequate facilities, yet the concert proceeded, fueled by a perfect storm of desperation, greed, and scarcity.

A critical decision contributing to Altamont’s disastrous outcome was the hiring of the Hells Angels motorcycle gang for security. Just days before the event, leaders from the San Francisco, Oakland, and San Jose Hells Angels chapters were contracted to manage festival-goers in exchange for $500, paid in beer. While the Angels had previously provided informal security for smaller counterculture events, their role at a festival of Altamont’s scale and intensity was unprecedented. On the festival morning, dozens of Hells Angels arrived to supervise an event that ultimately drew nearly 300,000 people. Many quickly joined attendees in consuming copious amounts of alcohol, speed, and LSD, leading to widespread fights between the Angels and festival-goers. At one point, Marty Balin, co-lead singer of Jefferson Airplane, was punched and knocked out after attempting to intervene in an assault.

The escalating chaos prompted other performers to reconsider. The Grateful Dead, a major name on the lineup, decided it was unsafe to perform upon witnessing the violence and disorder in the crowd, opting to leave. Their departure created a two-hour void in the schedule, intensifying the crowd’s disarray before the Rolling Stones’ set.

By the time the Rolling Stones took the stage, the situation had reached a fever pitch. Mick Jagger, who had been punched by a fan earlier, repeatedly pleaded with the crowd to calm down during their performance. The climax of the tragedy occurred during the song “Under My Thumb,” when Meredith Hunter, a young Black man, was fatally stabbed by a Hells Angel. Accounts suggest the altercation began when Hunter refused to move off some equipment, and some Angels allegedly made racist comments about him being with his white girlfriend. Footage from the incident shows Hunter pulling a revolver before being killed by Hells Angel Alan Passaro, who was later acquitted on grounds of self-defense. This murder was captured and featured in the documentary about the concert, Gimme Shelter. Tragically, some reports claim Hunter might have survived if transported to a hospital, but the onsite helicopter pilot allegedly refused, stating the aircraft was reserved for the Rolling Stones. Beyond Hunter, three other lives were lost: two in a hit-and-run in the parking lot and one from accidental drowning in a nearby canal. Countless others suffered injuries, including a fractured pelvis from leaping off an overpass, and many were treated for bad drug trips in the medical tent.

All these events were eventually documented in Gimme Shelter, the very film the Rolling Stones had intended to be a celebratory conclusion to their tour. Nobody could have foreseen that the documentary would instead immortalize what many consider the exact moment 1960s idealism crumbled under the stark realities of human nature, specifically the destructive forces of greed, unchecked celebrity worship, and profound carelessness.