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Membership at CMDTRA

We offer very affordable year round memberships to our little slice of heaven! Membership provides you with access to all 200+ acres of trails, our newly renovated pool, clubhouse, BBQ pit, riding arenas, a round pen, Hunter Jumper course, camping area with stalls...and of course direct access to the trails covering beautiful Mt. Diablo State Park.

Monthly Membership is only $50

There is a one time enrollment fee of $285 that includes a $150 initiation fee, the first 2 months of dues and a $35 fee for your key fob to enter the gates of the property.



While our land and nature is divine, we also have a wonderful social environment including a monthly potluck dinner for all members. We also have many annual events including our crab feed, NATRC competitive trail ride, poker ride, dessert auction, group trail rides, 4th of July BBQ and much more. Check the CALENDAR tab for upcoming events.


To join our club, simply download our membership application:

Membership Application


Email your completed application to Our membership chairperson (Pat Davis) will contact you within a few business days with details on the process for acceptance. We welcome everyone to join CMDTRA! We are a not-for-profit organization run by our volunteer members and would love you to come take a tour! (Call or text Kathleen at 925-914-0098 for a tour)

Meetings & Events (Open to All)

All are welcome to attend the monthly CMDTRA Board of Directors Meeting on the first Tuesday of each month at 7:00 PM in the clubhouse. We are open to your creative ideas and input to make our club a better place.

Join us at the clubhouse for our monthly social potluck on the first Saturday of every month at 6:30pm. Bring a side dish to feed 8 people and whatever meat you want to grill for yourself and your family! The month's host will provide garlic bread and hot coals for barbecuing. Beverages will be available for purchase.

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