Know some people who went with these folks and enjoyed it:
https://timberline-adventures.com/to...xoC2_QQAvD_BwE
These people have a very good reputation:
https://www.vbt.com/?utm_source=goog...E&gclsrc=aw.ds
The important thing is that you pick a tour that suits your ability. Days that are too long or too short or too hilly or too flat can make for a bad experience.