Estes Park 2018

Registration is now open for the 42nd COS annual meeting at Estes Park 2018. (July 18 - 22, 2018)   Click here to register.   Our annual meeting will be at the infamous YMCA Camp of the Rockies just outside of Estes Park, Colorado.  Please reserve your rooms since our housing promises to be sold out.  Also, please note that all 3 meals / day are included when you register your room.  To reserve your room today, please use this link.