The Fox River State Trail winds along the Fox River from downtown Green Bay to Hilbert through Allouez, De Pere, Wrightstown and Greenleaf. Of its 25 miles, 11 are asphalt and 14 crushed stone. The north trailhead is at Porlier and Adams streets, just south of the Mason Street Bridge. The trail is open 5 a.m. to 9 p.m. year-round.