September 11th National Memorial Trail
| September 11th National Memorial Trail | |
|---|---|
| Length | 1,500 miles (2,400 km) |
| Location | Mid-Atlantic United States |
| Designation | Federally designated trail route (2021), Pennsylvania Statewide Major Greenway (2022) |
| Trailheads | Pentagon Memorial, Flight 93 National Memorial, National September 11 Memorial & Museum |
| Use | Hiking, cycling |
| Surface | Mixed (55% off-road trails, 45% roadways) |
| Website | 911trail |
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The September 11th National Memorial Trail (also known as the 9/11 Trail or 9/11 NMT) is a 1,500-mile (2,400 km) network of trails and roadways connecting the three national memorials dedicated to those who lost their lives in the September 11 attacks: the Flight 93 National Memorial near Shanksville, Pennsylvania, the Pentagon Memorial in Arlington, Virginia, and the National September 11 Memorial & Museum in New York City.
The trail serves as a "triangle of remembrance," passing through six Mid-Atlantic states and Washington, D.C. It was officially designated by Congress when President Joe Biden signed H.R. 2278 on October 14, 2021.