Providing recreation activities and events to over 4,000 employees of YNP. Xanterra, NPS, YPSS, DNC and Medcor employees: this means you!

Latest News

Craft Kits for Purchase – $15

We now have Craft Kits for purchase in the Mammoth Recreation Office for $15.  Please be sure to check the MH Rec Office hours posted...

2020-21 Reduced Operations

ALL SERVICES ARE SUBJECT TO CHANGE WITH LITTLE TO NO NOTICE FALL AND WINTER 20-21 THE MAMMOTH RECREATION CENTER AND GYM IS CURRENTLY OPEN  The...

We are the Yellowstone Co-Op Employee Recreation Program, committed to the benefit and enjoyment of the employee! We aim to connect the employees of the Yellowstone area in fun and meaningful ways. We have many, many, events year-round for the people of the area to explore this wonderful place where we live! 

Learn more about our programs