Traveling from the South:
- I-287 Northbound to Exit 36A (Morris Ave.).
- Proceed East approx. 1/2 mile in the center lane, past Washington Headquarters (on left).
- Take left fork onto Whippany Road.
- Turn left at 2nd traffic light onto East Hanover Avenue.
- Proceed for about 1/4 mile. Entrance is on left, opposite the Morris County Library.
Traveling from the North:
- I-287 Southbound to Exit 36, following signs for Ridgedale Avenue (bear right in exit ramp).
- Proceed to traffic light, then turn right onto Ridgedale Avenue.
- At 2nd traffic light, turn right onto East Hanover Avenue.
- Proceed for about 1/4 mile. The Arboretum entrance is on the right just past the traffic light at the Morris County Library.
Traveling on New Route 24
- New 24 West to Exit 1A, (also labeled as Rt. 511 South, Morristown) onto Whippany Road. Stay in right lane.
- Turn right at 1st traffic light onto East Hanover Avenue.
- Proceed for about 1/4 mile. Entrance is on left, opposite the Morris County Library.