Penn State will be closed for winter break from Dec. 24, 2025 through Jan. 4, 2026. Normal business hours will resume Jan. 5, 2026.

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Research never sleeps!

Arboretum Research Site
Research Spotlight

The Arboretum is serving as a study site for research through Penn State’s Recreation, Parks, and Tourism Management Department and the U.S. National Park Service. The project, which investigates the impact of night lighting in natural areas, is connected with the National Park Service’s Night Skies Division.