Washington's Headquarters is one of the New Jersey parks in thicket's catalog. thicket is a field guide to the parks near you: it maps the ones you have never noticed, gives you a reason to actually go, and keeps a record of where you have been.
Where it is
Washington's Headquarters is in Morris County, New Jersey. Its approximate coordinates are 40.79718, -74.46693.
Check in at Washington's Headquarters
thicket verifies you are actually here by GPS when you check in, so a visit means you went. Checking in builds a streak, earns achievements, and fills in your map of the places you have been.