Overview South Fork Group Campground is located in north central Colorado in the Williams Fork Valley next to South Fork Creek. Many mountain streams and creeks nearby offer good fishing opportunities. South Fork is the only facility in the area designated for horse camping.Recreation The South Fork Trail begins at the campground and is one of the most popular trails in the valley. The 26-mile loop trail is open to hiking and horseback riding, and provides access to other trails in the area, inc