Overview Willow Creek Group Campground is located on Lake Granby, six miles north of Granby, in north central Colorado. Visitors enjoy the area for its great canoeing, kayaking, fishing and hiking opportunities.Recreation Willow Creek Reservoir is a 300-acre, no-wake lake. It is open to canoes, kayaks and other non-motorized boats. Anglers fish for rainbow, brown and brook trout. Willow Creek can be accessed nearby. National Fishing Week is held annually the first week in June. Numerous hiking