Van Vleck Observatory is located on Foss Hill on the Wesleyan University campus in Middletown, Connecticut, USA. The observatory houses the university astronomy department as well as the onsite research facilities. You can snail mail us at:

Wesleyan University
Astronomy Department
Van Vleck Observatory
96 Foss Hill Dr.
Middletown, CT 06459

Our FAX number is 860 685 2131
The phone number for the department office is 860 685 2130.
For information on public events please see our main page for the latest information.

Our Location on Earth
Van Vleck Observatory:
Latitude: 41 33' 18'' N (41.555° N)
Longitude: 4h 50m 38s W (72.66° W)
Altitude: 65m
Time Zone: 5 hours west
To see the observatory using Google Maps, click here.

How to get to Van Vleck Observatory

Directions to the Wesleyan campus.

From Washington St. (Route 66) turn onto Vine St. which is at the end of Route 3.

Take Vine St. south until it dead ends into Church St.

Make a left on Church and drive to the first Stop sign.

Make a hard left and follow the campus road up to the observatory.

Parking is available for guest speakers, faculty and staff at the observatory. Others should find street parking off campus or use the V lot on Vine St.