Upper Stillwater, located in Garfield County, Colorado, is a state-owned recreational reservoir that serves as a haven for water resource and climate enthusiasts. Built in 1965, this earth dam stands at 40 feet high and spans 275 feet in length, offering a storage capacity of 1,096 acre-feet of water. With a primary purpose of recreation, the reservoir also caters to fish and wildlife, making it a vital hub for conservation efforts in the region.

Managed by the Colorado Department of Water Resources, Upper Stillwater is a regulated and inspected structure, ensuring its safety and compliance with state standards. The dam boasts a low hazard potential and satisfactory condition assessment, providing a safe environment for visitors and nearby communities. Despite its high risk assessment due to its location and operational factors, the reservoir remains a valuable resource for both leisure and environmental preservation.

With its scenic location along the Bear River and ample surface area of 53 acres, Upper Stillwater offers a serene backdrop for outdoor activities and serves as a vital component in the local ecosystem. As climate change continues to impact water resources, this reservoir stands as a testament to sustainable management practices and the importance of preserving natural habitats in the face of evolving environmental challenges.