Operating Hours & Seasons

Summer Hours
July 4th -Sept 6th (Labor Day weekend)
Laboratory
Wednesday through Sunday, 9:30am - 5:00pm

Glenmont
Friday, Saturday, and Sunday, 11:00am - 5:00pm

Tickets for a house tour are limited and distributed on a first-come first-served basis from the Laboratory Visitor Center starting at 9:30am. A ticketed tour is the only way to enter the house. A car pass to Llewellyn Park must also be obtained at the Laboratory Visitor Center at the same time as the house tour ticket. You will not be able to enter Llewellyn Park and the house without the car pass.

 

Fall, Winter and Spring Hours
September - July 3

Laboratory
Wednesday through Sunday, 10:00am - 4:00pm

Glenmont
Friday, Saturday, and Sunday, 11:30am - 4:00pm

Tickets for a house tour are limited and distributed on a first-come first-served basis from the Laboratory Visitor Center starting at 10:00am. A ticketed tour is the only way to enter the house. A car pass to Llewellyn Park must also be obtained at the Laboratory Visitor Center at the same time as the house tour ticket. You will not be able to enter Llewellyn Park and the house without the car pass.

Did You Know?