Lake Agnes is an alpine lake in the Colorado State Forest State Park occurring within the Never Summer Mountain Range. The lake lies within glacial tarn surrounded by a cirque consisting of Nokhu Crags, Static Peak, Mount Richthofen, Mount Mahler, and Braddock Peak. It is the deepest lake in the Colorado State Forest State Park.

Lake Agnes is named after Agnes Zimmerman, the daughter of John Zimmerman, a homesteader in the area and the proprietor of the Keystone Hotel in Home, Colorado.

The Town of Walden is the Statutory Town that is the county seat, the most populous community, and the only incorporated municipality in Jackson County, Colorado, United States. It is situated in the center of a large open valley called North Park.

North Park is a high, sparsely populated basin (approximately 8800 ft in elevation) in the Rocky Mountains in north central Colorado in the United States. It encompasses a wide valley in Jackson County rimmed by mountain ranges at the headwaters of the North Platte River and several smaller tributaries, including the Michigan River, Illinois River, and Canadian River. The valley receives its name from being the northernmost of the three large mountain valleys (or parks) in Colorado on the western side of the Front Range. The others are Middle Park and South Park respectively.