Lost blue hiking backpack left behind at Horsetooth Reservoir in Fort Collins containing essentials like a water bottle, light jacket, and snacks.

I lost my blue hiking backpack while hiking at Horsetooth Reservoir in Fort Collins last weekend. I paused for a break and must have left it behind when I started back down. It contains a water bottle, a light jacket, and some snacks. If anyone finds it, I'd greatly appreciate your help!