Allegheny Islands State Park, Three river islands in Allegheny County, Pennsylvania, US.
The state park spans 50 acres across two main islands and seven shoals within the Allegheny River, maintaining dense natural vegetation throughout the area.
Established in 1980, the state park preserves natural river islands near Pittsburgh that remained undeveloped during the region's industrial expansion in the previous century.
The protected islands function as outdoor laboratories for researchers studying river ecosystems and natural habitats in western Pennsylvania's waterway systems.
Visitors require boats to access the park's islands, and should bring necessary supplies as no facilities or developed amenities exist on the protected land.
The park's upper island measures 14 acres opposite Black Run, while the 34-acre lower island sits between Falling Springs Run and Black Run.
Location: Allegheny County
Inception: 1980
Operator: Pennsylvania Bureau of State Parks
Website: http://dcnr.state.pa.us/stateparks/parks/alleghenyislands.aspx
GPS coordinates: 40.53583,-79.82889
Latest update: May 11, 2025 02:42
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