http://www.jimmys-adventures.net/hiking-with-kids/

any good places around Erie, PA to camp and hike with kids?
sarah cohens camp grounds at the foot of pennisula drive – which is located next to Presque isle state park. (admittance is free to Presque isle)
fishing, walking and bike trial, you can rent a yellow slurry (its a four wheeled bike that sits 4 to 5), Beaches open Memorial Day weekend- there is seven miles of beaches.
At the rotary pavillion is play ground equipment.
At Perry Monument – learn about the Battle of Lake Erie
you may want to stop at the martime muesum and see the Flagship Niagara if she is in port.
How to Hike With Children : Hiking With Kids: Poison Ivy, Berries & Plants