Palos Preserves - Cook County; Waterfall Glen Preserves - DuPage CountyTrail guides for recreational biking & other trail sports. Includes trail accesses, parking, and facilities, points of interest, mileage, and much more! Compact, easy-to-read, waterproof & tear-proof!Features of Palos Preserves - Cook County; Waterfall Glen Preserves - DuPage Co..