Entrance to Sawmill Brook from Fox Hill School fields.
The walk is mostly even, level trails.
At some points you will see houses at the edges of the park.
Various stone walls tells a story about the farming past.
The gas line that runs through features lots of lovely sweet fern - the plant that keeps poison ivy away!
The solid bridge over Sawmill Creek is a lovely place to stop.
An engaging boulder by the trailside.
A bench is one of a number of Boy Scout projects.
This is mostly in Burlington, but the trails take you into nice areas of Wilmington as well.
More Resources:

Town of Burlington PDF Map
Trail map by town of Burlington for trails around the Mill Pond

All Trails
Trails maps and more info.
Here is a little video of the brook and the canopy overhead.