Frank Slide is a historic site located in the Canadian province of Alberta, known for one of the most significant rockslides in North American history. On April 29, 1903, a massive section of Turtle Mountain, situated near the town of Frank, collapsed, sending over 82 million tons of limestone crashing down into the valley below. The sudden and catastrophic event buried part of the town of Frank and formed a massive rock debris field that covers an area of about three square kilometers.
The Frank Slide had a devastating impact on the local community. Approximately 90 people lost their lives, and numerous buildings were destroyed or buried beneath the rubble. The town of Frank was forever changed, and the landscape transformed into a surreal terrain of jumbled rocks and boulders. Despite the tragedy, the surviving residents demonstrated resilience and resilience, rebuilding the town in a new location while the remnants of the slide became a poignant reminder of the forces of nature.
Today, Frank Slide is preserved as a historical site and interpretive center. Visitors can explore the remains of the slide, learn about the geology and causes behind the disaster, and gain insight into the human stories of survival and rebuilding. The site stands as both a memorial to those who lost their lives and a testament to the power and unpredictability of natural forces.

It’s a good idea to look at these 10 fun facts about Frank Slide to know more about it.
- Massive Scale: The Frank Slide is considered one of the largest landslides in North American history, involving the collapse of approximately 30 million cubic meters (over 82 million tons) of limestone from Turtle Mountain.
- Sudden Catastrophe: The slide occurred in the early hours of April 29, 1903, catching the residents of Frank off guard as they slept. The suddenness of the event contributed to the high number of casualties.
- Burial of Frank: The town of Frank bore the brunt of the slide, with a significant portion buried beneath the debris. Buildings, streets, and infrastructure were either destroyed or covered by massive boulders.
- Geological Cause: The primary cause of the Frank Slide was the unstable nature of Turtle Mountain’s rock layers, particularly the presence of a weakened layer of shale that acted as a sliding surface.
- Rock Avalanche: The slide took the form of a rock avalanche, characterized by a rapid and chaotic descent of large rock masses down the mountain slope.
- Surviving Buildings: Remarkably, a few buildings in Frank managed to withstand the impact of the slide. Some structures were partially buried but remained standing, and a handful of residents survived by taking shelter in basements.
- Rescue Efforts: The aftermath of the slide prompted extensive rescue and recovery efforts. Despite the challenges posed by the unstable terrain, rescue teams worked to locate survivors and recover the bodies of the deceased.
- Rebuilding the Town: In the wake of the disaster, the town of Frank was relocated to a safer area. The surviving residents demonstrated resilience, rebuilding their community in a new location away from the threat of future slides.
- Historical Site: Frank Slide has been preserved as a historical site and is now home to the Frank Slide Interpretive Centre. The center provides visitors with information about the slide’s causes, the impact on the community, and the geological features of the region.
- Educational Destination: Frank Slide remains an important educational destination, attracting visitors interested in geology, natural disasters, and the human response to catastrophic events. The site offers a unique opportunity to explore the geological forces that shape the Earth and learn from the lessons of history.
Frank Slide stands as a poignant testament to the unpredictable power of nature and the resilience of communities in the face of tragedy. The colossal rockslide of 1903, forever altering the landscape near the town of Frank, left an indelible mark on both the physical terrain and the human spirit. The remains of the slide, now preserved as a historical site and interpreted through the Frank Slide Interpretive Centre, provide a sobering reminder of the forces that shape our planet. As visitors explore the jumbled rocks and learn about the lives lost and the town’s reconstruction, they are confronted with the simultaneous fragility and strength of human existence. Frank Slide is not just a geological phenomenon; it is a living narrative of survival, adaptation, and the enduring resilience of those who faced the aftermath of a natural catastrophe.