In the spring I took a long road-trip out west, spending a good deal of my time at Grand Canyon National Park. The trip was mainly for pleasure purposes, but while there I participated in a 5-day long "service project" at the park (the project WAS for a qualified charitable org). I am wondering how much I can deduct for my travel expenses. The instructions seem a little vague. It seems to imply the auto expenses can be deducted, but other expenses like hotel rooms only if there was no significant recreational/personal component. I'm tempted to say I was out there for 40 days (not counting driving time), I spent 5 days on the project, so I'll deduct
1/8th of my mileage. But none of my hotel rooms and other expenses. Thoughts? Thanks, John