• Aerial view of the George Washington Memorial Parkway in the fall

    George Washington

    Memorial Parkway DC, MD, VA

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  • Lane Closures for Bridge Inspections

    Workers will close lanes of the George Washington Memorial Parkway while they inspect the Theodore Roosevelt Bridge on October 20 and the Metro bridge near I-395 on October 23. All lanes will be open during morning and afternoon rush hours. More »

  • Multiple Closures during Marathon on Sunday, October 26th

    Please visit the "Closures & Construction" page for more detailed information and for a list of alternate routes for the G.W. Parkway northbound from Rt. 50 to Rt. 123. More »

Insects, Spiders, Centipedes, Millipedes

This group undoubtedly represents the greatest amount of biodiversity found in the park, and it is also the least known in terms of biological inventories. Currently, a total of 76 species of butterflies and 729 species of moths have been documented from GWMP. The only additional taxa that have been documented are 466 species of Coleoptera, 110 species of Hymenoptera, 45 species of Diptera, 38 species of Arachnida, 37 Odonata, 28 Trichoptera, 28 Heteroptera, 5 Homoptera, 4 Neuroptera, 2 Orthoptera, 1 Mecoptera, and 1 Plecoptera.

Did You Know?

Copperhead snake

Copperheads are venomous and are found in Turkey Run Park. If you see any snake on the trail, never attempt to pick up or disturb it.