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        Contact Us

Mail: 3501 New York Avenue NE Washington, DC 20002 / 202-245-4523

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Contact USNA

Admission is Free

Mail: 3501 New York Avenue NE Washington, DC 20002

Tel: 202-245-4523

USNA.Comments@usda.gov

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Visitor Entrance

2400 R Street NE
Washington, DC 20002

The Arboretum grounds are open every day of the year except December 25 from 8:00 am to 5:00 pm. Last entry is at 4:30 pm.

The National Bonsai & Penjing Museum is generally open daily from 10:00 am to 4:00 pm. It is closed for federal holidays from November through February.

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