The Osher Map Library and Smith Center for Cartographic Education at the University of Southern Maine welcomes all visitors to our Portland location. Visitors can schedule a research visit, plan to visit our gallery exhibits, or attend one of our programs. Those looking to schedule a group tour should either reach out to oml-usm@maine.edu or call (207) 780-4850.

Image of the interior of the Osher Map Library Reading Room. Three large tables are central while library book stacks, globe displays, and a computer are visible along the perimeter of the room.

Summer Hours

Effective Tuesday, April 1, 2026 – Saturday, August 29, 2026


Sundays and Mondays: Closed

Tuesday to Friday: 10:00 AM – 4:00 PM

Most Saturdays: 10:00 AM – 2:00 PM (If the Glickman Family Library is closed, so are we.)

Planned Closures


Friday, June 19th

Tuesday, June 23rd

Friday, July 3rd

Saturday, July 4th

Saturday, July 11th

Thursday, August 20th

Saturday, August 22nd

Wednesday, August 26th

Saturday, August 29th

Please Note: If the University is closed due to inclement weather, the Osher Map Library and Smith Center for Cartographic Education is also closed. All gallery and research appointments will be cancelled for that day.


For information on Parking and Directions visit our Directions and Parking Page


Exterior photograph of the Osher Map Library building in the spring. Trees have green leaves and the sky is clear.