Northern Delaware Greenway is a 7 mile lightly trafficked point-to-point trail located near Wilmington, DE that features beautiful wild flowers and is good for all skill levels. The trail offers a number of activity options and is accessible year-round. Dogs are also able to use this trail but must be kept on leash.
dogs on leash
I've done this trail a couple times. It varies between paved and gravel (a small portion is sidewalk along a road). There are some small hills. In my opinion, it's worth doing, but is nothing spectacular.
The trail is mostly paved and passes through both open and wooded areas. There are two short sections in Alapocas Woods and on the Chauffiel Tract that are gravel, and there is another short section between Rockwood and Blue Ball that uses the Talley Road. The trail is easily accessible from Bellevue, Blue Ball and Alapocas Woods State Parks, or from Rockwood County Park.