Accessible only by boat, the 50-acre Allegheny Islands State Park consists of two alluvial islands and seven shoals in the Allegheny River. The park is heavily covered in vegetation and remains undeveloped. Some of the few islands left in a natural state, the islands are homes to many animals and plants and frequently flood.

The 14-acre upper island (eastern) is opposite the mouth of Black Run and east of C.W. Bill Young Lock and Dam #3.

The 34-acre lower island (western) is west of the lock between the mouths of Falling Springs Run and Black Run.

There are no developed trails, however, several footpaths exist.

This activity or structure is ADA accessible. The park office at Point State Park is ADA accessible.


Allegheny Islands State Park Pennsylvania
Cheswick, PA 15024, United States


How to Get There

Allegheny Islands State Park is in northeastern Allegheny County. The park is within the Allegheny River and is accessible by boat only.


The park is open every day of the year, sunrise to sunset.


Contact Details

Phone: (412) 565-2850


Official Website: Allegheny Islands State Park


Area Attractions

Suggested Equipment for Allegheny Islands State Park:


The following activities within the park should be done with utmost caution. Make sure that you have the proper protective gear and equipment necessary to make your adventures safe and accident-free. We advise you to read the TIPS underneath each activity to serve as a guide on what you may need to bring in order to enjoy your stay fully.

Activities & Tips


Allegheny Islands State Park is a must-visit state park in Pennsylvania. Check out other state parks in Pennsylvania here.

Pennsylvania State Parks