Explore the 70-year-old mystery of Vail Pass and its complex relationship with the natural world. Learn about the historical context and ongoing efforts to mitigate wildlife collisions and promote environmental sustainability.

Vail Pass, a familiar route for many Western Slope residents, has a rich and intriguing history that spans decades. As we delve into the past, it becomes clear that this stretch of Interstate 70 has been shaped by a complex interplay of human activity, wildlife, and environmental factors. For those of us who regularly commute through Vail Pass, understanding this history can provide valuable context for the challenges and opportunities we face today.
Looking back 40 years, the winter of 1985-86 was particularly harsh, with heavy snows in October and November followed by unseasonably warm weather in December and January. This unusual weather pattern had a devastating impact on the local deer population, with 190 big-game animals reported killed along Interstate 70 between Glenwood Springs and Vail Pass. To put this number into perspective, it's more than 10 times the number of deer killed in the previous year. According to John Gray, a biologist with the Colorado Division of Wildlife, the early snows forced deer down into the valleys, increasing the likelihood of collisions with vehicles. This phenomenon highlights the delicate balance between human activity and wildlife in our region.
The construction of Interstate 70, which was completed in segments, also had a significant impact on the local ecosystem. In the winter of 1972-73, the first year that the segment of I-70 between Wolcott and Eagle was open, a staggering 270 deer were killed. In response to this tragedy, the Highway Department installed eight-foot fences in areas favored by deer, a measure that has since helped to reduce the number of wildlife-vehicle collisions. This example demonstrates the importance of proactive measures to mitigate the effects of human activity on local wildlife.
For outdoor enthusiasts, Vail Pass has long been a destination for winter recreation. In 1976, a new snowmobile trail opened near Camp Hale, providing a 12-mile loop for snowmobilers to enjoy. This trail, known as the Pearl Creek Trail, was the result of a collaborative effort between the Forest Service and the Grouse Mountain Night Riders, a local snowmobiling club. The trail's creation helped to balance out the winter recreation opportunities in Eagle County, catering to both skiers and snowmobilers. Today, this trail remains a popular destination for those seeking to explore the beauty of the Rocky Mountains.
As we reflect on the history of Vail Pass, it's clear that this region has undergone significant changes over the years. From the construction of Interstate 70 to the development of winter recreation opportunities, human activity has played a profound role in shaping the environment and ecosystem of Vail Pass. As Western Slope residents, it's essential that we remain mindful of this complex history and its ongoing impact on our daily lives. Whether we're commuting through Vail Pass or enjoying the region's outdoor recreation opportunities, we must strive to balance our needs with the needs of the local wildlife and environment. By doing so, we can help ensure that this incredible region remains a vibrant and thriving part of our community for generations to come.
So, what does this history mean for Western Slope residents today? For starters, it highlights the importance of being mindful of wildlife when driving through Vail Pass, particularly during periods of unusual weather. By being aware of the potential for deer and other animals to be on the move, we can take steps to reduce the risk of collisions and help protect both human and animal life. Additionally, the development of winter recreation opportunities in the region serves as a reminder of the importance of balancing human activity with environmental concerns. As we enjoy the beauty and recreation opportunities of Vail Pass, we must also be mindful of our impact on the local ecosystem and take steps to minimize our footprint. By doing so, we can help preserve the natural beauty and wonder of this incredible region for future generations.





