Allegheny Islands State Park
State Park · Pennsylvania · Pennsylvania Department of Conservation and Natural Resources
- 38 acres
Allegheny Islands State Park is in Allegheny County in Harmar Township, just southwest of the borough of Cheswick. Established in 1980, the park is composed of three alluvial islands in the middle of the Allegheny River northeast of Pittsburgh.
Plan your visit
Know before you go
- Address
- 601 Commonwealth Pl Bldg A, Pittsburgh, PA, 15222
- Phone
- 412-565-2850
- Official site
- www.pa.gov
- Managed by
- Pennsylvania Department of Conservation and Natural Resources
Getting there
601 Commonwealth Pl Bldg A, Pittsburgh, PA, 15222
Directions on Google Maps →What's here
Activities & features: Boating · Fishing · Geocaching · Group Camping · Hunting · Paddling · Wildlife Viewing
Nearby parks
Parks of Pennsylvania
138 parks mapped in Pennsylvania
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Browse all Pennsylvania parks →Sources: State agency, Wikimedia Commons / editorial, USGS PAD-US · updated 2026-08-23