Site Map (IMAGE) Penn State Caption Hutcheson Memorial Forest is in Somerset County in central New Jersey. Forty acres, it contains some of the oldest trees in the eastern US, with some 350 years old. No living tree has been cut there since the 1950s, but bird populations have declined. Credit Rutgers University Usage Restrictions non commercial use only License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.