Introduced myself to the new guy that moved a trailer in around the corner from me. the wife me him a few weeks back when he was walking. I mentioned i burn wood as he told the wife he was cutting some trees down. He told me to cut up the Walnut that just blew over in his yard!! And said he will be cutting several more over time and i could have them as well. That stuff is almost going to be too painfull to cut up but sure will look good. Should burn decent although walnut is not as hard as oak or hickory it should still give decent BTU's.