The park occupies a portion of the land formerly known as the Allegheny Arsenal, established in 1814.
On September 17, 1862, a massive explosion at the Allegheny Arsenal killed 78 workers, most of whom were young women.
The park grounds contain a memorial commemorating the victims of the 1862 munitions explosion.
The site was listed on the National Register of Historic Places as part of the Lawrenceville Historic District.
The park served as a strategic supply depot during the American Civil War.
Arsenal Park is a historic 19-acre municipal green space situated in the Lawrenceville neighborhood of Pittsburgh. The site was once home to the Allegheny Arsenal, a significant 19th-century military installation that manufactured munitions for the U.S. Army. The park layout incorporates paved walking trails, tennis courts, and a multipurpose ball field. A portion of the original stone perimeter wall remains standing along the park boundary, serving as a physical link to its industrial and military history. The facility functions as a recreational hub for local residents and features dedicated zones for both active sports and passive leisure. Mature trees provide a significant canopy over much of the grounds, contrasting with the surrounding urban residential grid.
The historic stone perimeter wall segments, which provide a textured backdrop with architectural significance.
Bring a picnic blanket to utilize the expansive lawn areas away from the ball field.
The park is located near the vibrant 40th Street business corridor, offering easy access to cafes after your visit.
Check the tennis courts early in the day during weekends as they are highly popular with local residents.
Do not park in restricted residential zones along the narrow side streets surrounding the park.
Park facilities such as courts may be subject to seasonal maintenance closures during winter months.