The Mountain Lakes Open Space Area, a “central park” in Princeton, consists of some 400 acres just north of the center of town, most of it open to the public. It has a wide variety of hiking trails- and two biking trails – some connecting to other trails outside of the area described here. Along with views of Tusculum, the estate built by John Witherspoon, and historic Coventry Farm, it features a great variety of open fields, several small streams and lakes, old stone walls, boulder fields, ...