Route 50 West to I-95/495 West (Capital Beltway) towards Baltimore/College Park. Continue on beltway and exit onto I-270 North. Proceed on I-270 and take exit 1 onto Route 187, Old Georgetown Road. Get in the left lane of the exit ramp and turn left onto Route 187 South. At the second light, turn right onto Democracy Boulevard. The first light past Montgomery Mall on the right, is Westlake Drive. Turn right onto Westlake Drive. Continue past Westlake Terrace for 2/10 mile and look for Park Entrance on the left.

From Virginia, take the Beltway to I-270 and exit at Democracy Blvd. Follow the directions above.