Round trip walk of approximately 7 1/2 miles. Some hills going there.
Picnic at farm, walk around for 1/2 hour, return to Lambertville along canal.
Option for those who don't want to walk is to meet at farm at 12PM. You can bring food or buy light lunch at farm.
Expect 4 hours for activity.
You have free options regarding parking of behind Lambertville Inn on state property or up hill from my house on Studdiford.