Geick park is off of 516 near Matawan World of Gardening. See link above or below

http://maps.google.com/maps?oe=utf-8&rls=org.mozilla:en-US:official&client=firefox-a&um=1&ie=UTF-8&q=geick+park+old+bridge+new+jersey&fb=1&gl=us&hq=geick+park&hnear=Old+Bridge,+NJ&cid=0,0,12460817305641956648&ei=ZKOjTb7dOorEgAfYhPTaBQ&sa=X&oi=local_result&ct=image&resnum=1&ved=0CBUQnwIwAA

Rt. 516, Old Bridge/Aberdeen, NJ