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Welcome to CMDTRA!

Join us at these upcoming events!

10/1/2022 Mt. Diablo Obstacle Challenge (a DEHA, CMDTRA & CSHA collaboration)

Click HERE to register


  Due to planned construction to improve the Clubhouse and pool area, NO new clubhouse rentals will be scheduled for the 2022 calendar year.  We will be scheduling work crews around the events that are already on the calendar.  

CMDTRA Member Volunteer Hours

All families are expected to dedicate at least 8 hours per year service (help at an event, work party, etc.) as a condition of membership. Members, please use this 2022 LINK to document your service hours.

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CMDTRA is a 501.c7 Not-For-Profit organization

located on Mt. Diablo in Clayton, CA.