Don’t forget that Portland’s version of the World Naked Bike Ride is happening the same day as Monkeybutt. I don’t know the route but it does start at Colonel Summers Park near SE 20th & Belmont around 9pm. They’re expecting 10,000 participants this year!
A couple years ago I got caught in an intersection for over an hour waiting for all the nakedness to bike by me. It was fun! Luckily I didn’t really have to be anywhere. Keep this in mind if you’re traveling to or from the reception from 8pm and later.
If you’re participating and leaving from the party, most clothing is optional while you’re here but you probably want to at least wear pants because the chairs are gonna be hot!