Knowles 15 Campground is located in the Colorado headwaters-Plateau watershed in Colorado, offering spectacular views of the surrounding mountains and forests. The campground is situated near the Williams Fork Reservoir, which is an excellent spot for fishing and boating. The area is also known for its hiking and mountain biking trails, and visitors can explore the nearby Arapaho National Forest and Rocky Mountain National Park.

The campground amenities include picnic tables, fire rings, and vault toilets. There are also several campsites with stunning views of the surrounding mountains and forests. One interesting fact about the area is that it is home to several species of wildlife, including black bears, elk, and mule deer.

The best time to visit Knowles 15 Campground is from June to September, with average temperatures ranging from 60-80 degrees Fahrenheit during the day and 30-50 degrees Fahrenheit at night. Visitors should be prepared for sudden changes in weather, including thunderstorms and hailstorms, and should pack accordingly.

Overall, Knowles 15 Campground is a beautiful spot for camping and outdoor recreation, with stunning views of the surrounding mountains and forests and plenty of nearby points of interest to explore.