Location: Central New Jersey along the Millstone River Length: 25 miles (40.23 km) Time To Allow: 1 hour Description/Highlights/Points of Interest Located in the narrow Millstone River Valley which lies in north central New Jersey, this byway offers a glimpse into the past when skirmishes between the local militia and British troops played a key role in the Revolutionary War. Suggested Itinerary Check back soon for a sample itinerary!