How Crowded Is Arlington House, The Robert E. Lee Memorial in May?
May is a busy month at Arlington House, The Robert E. Lee Memorial, running about 1.6× the park's average month — roughly 13% of the year's visitors come in May. It is in fact the busiest month of the year here, so expect full parking lots, busy trails and booked-out campgrounds. If crowds bother you, January (the quietest month) or the recommended January are easier. You'll get about 14.1 hours of daylight to explore.
Frequently Asked Questions
May is busy at Arlington House, The Robert E. Lee Memorial (about 1.6× the average month). Our best-time score rates it "Poor". The single best month overall is January.
The busiest month is May and the quietest is January. May sits at about 1.6× the park's average, or 13% of annual visitation.
Source: National Park Service Visitor Use Statistics (1979–2025). Updated 2026-06-20.