Best multi day cycling events

So I am looking into starting to do some multi-day supported rides in 2024. For example, I was thinking of doing Seattle to Portland in 2024, but I have a conflict that weekend. What are some of your favorites? Karma points if it’s a charity ride. If this isn’t the right forum, can you suggest one that is?

Not multi day but this one is cool. The Chilly Hilly

https://cascade.org/rides-and-events-major-rides/chilly-hilly