Does Walnut make good firewood? hope so, I'm gonna be burning a lot of it. This is the first load I cut this afternoon. There will be one more load of the trunk. I don't plan on taking the trunk to a mill, but how much would it be worth if I could get it to a mill. The log is a little over 24" where I quit cutting this afternoon. I am guessing there is 18' + or - left of the trunk will be about 30" in dia on the big end. It blew over about 8 months ago, but it was still connected because it had some green sprouts on it.