Knowles 20 Campground is located in the heart of the Colorado headwaters-Plateau watershed. It is a beautiful area surrounded by mountains and forests. The campground offers 20 campsites for visitors, each with a picnic table and fire ring. There is also a vault toilet and drinking water available at the campground. The campground is situated near several hiking trails, including the St. Louis Creek Trail and the Vasquez Peak Wilderness Area, which offers stunning views of the surrounding mountains and forests.

One of the main attractions in the area is Winter Park Resort, which is located just a few miles from the campground. Winter Park Resort offers skiing, snowboarding, mountain biking, hiking, and other outdoor activities year-round. Another nearby attraction is the Fraser Experimental Forest, which is home to a variety of wildlife, including elk, deer, and moose.

The best time of year to visit Knowles 20 Campground is during the summer months, from June through September. During this time, the average high temperature is around 70 degrees Fahrenheit, and the average low is around 40 degrees Fahrenheit. It is important to note that the campground is only open from May through October.

Overall, Knowles 20 Campground is a beautiful and peaceful place to visit, with plenty of outdoor activities to enjoy and stunning views of the surrounding mountains and forests.