Directions

10545 Mackall Road
St. Leonard, MD  20685

ERC is located on the grounds of Jefferson Paterson Park & Museum in Calvert County, Maryland.

From the South:

From Solomons, follow MD Rte 2/4 north to Parran Road.  Make a left on Parran Road and follow to stop sign.  Make a left at stop sign onto MD Rte 265 - Mackall Road.  Continue on Mackall Road for approximately 3 miles to Jefferson Patterson Park & Museum entrance on right.  Follow entrance road (one way) to stop sign.  Turn left at stop sign.  Go approximately 1/2 mile and you will see the Morgan State University Estuarine Research Center which will be a brick building on your left.

From the North:

From Annapolis:

Follow MD Rt. 2 South until it becomes MD Rt. 2/4 South heading towards Prince Frederick.  * SEE BELOW

From Baltimore:

Follow I-95 South to I-895 and pass through Baltimore Harbor Tunnel.  Follow signs for I-97 / MD Rte. 3 S (2 or 3 exits south of tunnel exit).  Follow MD Rte. 3 South (at Junction with US 50, MD Rte. 3 becomes US 301).  About 10 miles south of US 50, exit onto MD Rte. 4 South (towards Prince Frederick).  Follow MD Rte 4 South.  * SEE BELOW.

From Washington:

Follow I-95 Capital Beltway to Exit 11 - Pennsylvania Ave / Rte. 4 South towards Prince Frederick.  Follow MD Rte. 4 South.  * SEE BELOW.

From Charles County:

Go to Hughesville and from MD Rt. 5 exit east on MD Rt. 231 towards Prince Frederick. At the MD Rt. 231 & Rt. 2/4 intersection at Prince Frederick, take MD Rt. 2/4 South.  * SEE BELOW.

* Approximately 8 miles south of Prince Frederick on MD Rt. 2/4, make a right onto Parran Road.  Follow through to stop sign.  Make a left at stop sign onto MD Rte. 265 - Mackall Road.  Continue on Mackall Road for approximately 3 miles to Jefferson Paterson Park & Museum entrance on right.  Follow entrance road (one way) to stop sign.  Turn left at stop sign.  Continue approximately 1/2 mile to the Morgan State University Estuarine Research Center which will be a brick building on your left.