Glacier National Park, a crown jewel of the American wilderness, is renowned for its majestic mountains, pristine lakes, and abundant wildlife. Yet, for all its natural splendor, it also harbors a somber chapter in its history – the night of August 12-13, 1967, when two young women were tragically killed in separate grizzly bear attacks. This unprecedented event, forever etched into the park's narrative as "The Night of the Grizzlies," sent shockwaves across the nation, forcing a critical re-evaluation of human-bear interactions and wilderness management policies.
The summer of 1967 had been a busy one in Glacier. Thousands of visitors flocked to its trails and campgrounds, seeking solace and adventure in its untamed beauty. However, unbeknownst to many, a confluence of factors was setting the stage for a tragedy. That year, Glacier experienced a poor huckleberry crop, a primary food source for grizzlies. This scarcity, coupled with an increasing reliance of some bears on human food sources from unsecured garbage dumps and visitor handouts, was creating a dangerous dependency. Bears were becoming habituated to human presence, losing their natural fear, and associating people with food – a recipe for disaster.
The first victim was 19-year-old Michele Koons from San Diego, California. She was working as a concession employee at the Granite Park Chalet, a rustic stone lodge accessible only by trail, located high in the mountains. On the night of August 12th, Michele and her friend, Denise Hallowell, were camped in a small, remote tent site about a quarter-mile from the Chalet. Their site, chosen for its secluded nature, was not an officially designated campground.
Approximately 20 miles to the south, near Trout Lake, lay the campsite of 19-year-old Julie Helgeson from Albert Lea, Minnesota. Julie was on a backpacking trip with her friend, Roy Ducat. They were camped in a more primitive, unmaintained area, also not an official campground, accessible by a logging road that had been converted into a hiking trail.
As darkness descended on August 12th, a thunderstorm rolled through the park, bringing heavy rain and strong winds. The inclement weather undoubtedly contributed to the isolated nature of the attacks, making it difficult for anyone to hear screams or cries for help.
At Granite Park, sometime after midnight, a grizzly bear entered Michele Koons's campsite. What transpired next is pieced together from Denise Hallowell's harrowing account. Denise, awakened by the commotion, witnessed the bear attacking Michele. In a state of terror, she managed to escape the tent and scramble up a nearby tree, where she remained for hours, listening to the horrifying sounds below. When daylight finally arrived, she descended to find Michele's lifeless body, partially covered, and the campsite in disarray. The bear was gone.
Meanwhile, at Trout Lake, a similar horror was unfolding. Julie Helgeson and Roy Ducat were asleep in their tent when a grizzly bear tore through the fabric. Roy, awakened by the disturbance, described a terrifying struggle. The bear dragged Julie from the tent. Roy, despite being injured himself, attempted to fight off the bear, even striking it with a stick. His efforts, however, were in vain. The bear eventually dragged Julie away into the darkness. Roy, severely mauled, managed to make his way to a ranger station for help, arriving in a state of shock and with grievous injuries.
The discovery of the attacks sent shockwaves through Glacier National Park and beyond. Park rangers, still reeling from the Granite Park incident, were immediately dispatched to Trout Lake upon receiving Roy Ducat's report. The scene at both locations was grim. Evidence pointed to two distinct grizzly bears responsible for the attacks.
The National Park Service, in conjunction with wildlife experts, launched an intensive investigation. The immediate priority was to locate and, if necessary, dispatch the bears responsible. This was a complex and emotionally charged task. The decision to kill a wild animal, even one that had killed a human, was not taken lightly, but the perceived threat to public safety was paramount.
Rangers, utilizing tracking dogs and keen observation skills, eventually located and killed both bears. The bear from Granite Park was identified as a large, old male with worn teeth, suggesting difficulty in foraging natural foods. The Trout Lake bear was a sow, with no cubs, and also appeared to be in poor condition. Necropsies of the bears revealed human remains in their stomachs, confirming their involvement in the attacks. More significantly, the autopsies also revealed evidence of human food in their digestive systems, strongly supporting the theory that these bears had become accustomed to scavenging and associating humans with an easy meal.
The "Night of the Grizzlies" was not an isolated incident but rather the culmination of several factors that had been developing over time.
Human Habitation and Food Sources: One of the most significant contributing factors was the presence of open-pit garbage dumps within the park. These dumps, intended for waste disposal, had inadvertently become a primary food source for some bears, drawing them into closer proximity to human activity. Bears, particularly grizzlies, are opportunistic feeders and quickly learn to associate easy food with human presence. Visitors, often unknowingly, also contributed to the problem by leaving food unattended or feeding bears directly, further habituating them.
Poor Huckleberry Crop: As mentioned earlier, the 1967 huckleberry crop, a crucial food source for grizzlies in the late summer, was exceptionally poor. This scarcity likely drove bears to seek alternative food sources, making human-provided food even more appealing.
Unregulated Camping: Both attack sites were in undeveloped and unmonitored areas, not official campgrounds. This meant there were no established food storage regulations, no designated bear-resistant containers, and no immediate ranger presence. Campers in these areas were more vulnerable to unexpected encounters.
Lack of Public Awareness: While rangers had long been aware of the potential dangers of habituated bears, public awareness and education regarding bear safety were not as comprehensive as they are today. Many visitors were not fully informed about proper food storage, minimizing attractants, or what to do in a bear encounter.
The "Night of the Grizzlies" served as a brutal awakening for the National Park Service and the public. It forced a fundamental shift in wilderness management philosophy, moving away from a more laissez-faire approach to a proactive stance on human-bear coexistence.
The immediate aftermath of the attacks saw a flurry of changes in Glacier National Park and other national parks with bear populations:
Closure of Open Dumps: Perhaps the most significant and immediate change was the closure of all open-pit garbage dumps within Glacier National Park and subsequently across the national park system. These were replaced with bear-resistant dumpsters and more secure waste management practices.
Bear-Resistant Food Storage: New regulations were implemented requiring visitors to use bear-resistant food containers or store food in hard-sided vehicles. Campgrounds were equipped with bear-resistant food lockers.
Increased Public Education: Park rangers dramatically ramped up their public education efforts, emphasizing bear safety, proper food storage, and what to do in a bear encounter. Educational materials, signage, and ranger talks became more prevalent.
Backcountry Management: Backcountry camping regulations were tightened, with an increased focus on designated campsites, mandatory food storage, and permits to track camper locations. Some areas were closed entirely to camping.
Research and Monitoring: The incidents spurred increased research into grizzly bear ecology, behavior, and population dynamics. This scientific understanding became crucial for developing effective management strategies.
A Shift in Perception: The "Night of the Grizzlies" fundamentally altered the public's perception of bears. While awe for these magnificent creatures remained, a healthy respect for their power and unpredictability became more ingrained.
The events of August 12-13, 1967, continue to resonate within Glacier National Park and beyond. They serve as a powerful reminder of the delicate balance between humans and wildlife in wilderness environments. While tragic, the "Night of the Grizzlies" ultimately catalyzed crucial changes in park management and public awareness, paving the way for safer coexistence and a deeper understanding of these magnificent, yet wild, animals. The lessons learned from that fateful night continue to inform conservation efforts and guide visitors in their interactions with one of North America's most iconic predators.
"The Night of the Grizzlies" by Jack Olsen: This book is widely considered the definitive account of the events. While it provides a narrative, it is based on extensive interviews and investigation.
National Park Service Archives (Glacier National Park): Official reports, ranger logs, and investigation documents related to the incidents.
"Death in Glacier: The True Story of the Grizzly Attacks of 1967" by David Peterson: A more recent account that draws upon new interviews and archival research.
Scientific Journal Articles on Bear Behavior and Management: Research papers discussing the impacts of human food sources on bear behavior and the effectiveness of management strategies implemented after 1967.
News Archives (New York Times, Associated Press, local Montana newspapers): Contemporary news reports covering the attacks and their aftermath, providing immediate public reaction and initial details.
Interviews with Park Rangers and Wildlife Biologists (Post-1967): Oral histories and published interviews with individuals involved in the immediate response and the subsequent policy changes.