Last year I was really looking for any out and despite my long desire to make it so nobody could ever find me, I just didn't care about being found at that point. I was scoping out places in the house to hang, and almost got a shotgun to use in the back yard. But I couldn't do it, not that way, because the first people to get back in the afternoon are my kids from school and the chance that one would go to the basement that day for some reason were too great.
I would not want to do that to them.
If you're able to wrap yourself in something and put a note on outside to alert authorities, that might prevent a random hiker seeing much.
The coroners are used to seeing decomposed bodies. Fun fact, there's a University in Iowa where they have a field where they let bodies decompose, for forensics training as part of their curriculum..
Thank you for being thoughtful of others. I've seen a few bodies in my time and every one of them is in my memory.