• Our Lady of the Sierras

    A Marian Shrine
  • Experience!

    The Glory
  • Powerful!

    It will change your life!
  • Rejoice!

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Shrines Specification

This small private shrine, open to the public, is located on a mountain side in Southeast Arizona, part of the Read More

A Word from our Visionary

Praise the Lord! Nothing stays the same once they truly commit ourselves to the Will of the Father. We slowly Read More

Insight and Reflection

During these particularly difficult times in our lives, it is felt that our Lord desires to offer words of encouragement Read More

History of the Shrine

The seeds of the building of the Shrine of Our Lady of the Sierras Read More

December 21, 2018 Our Lady's Message

Read the latest message delivered on December 21, 2018 Read More
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We welcome all visitors to enjoy the serenity of Our Lady of the Sierras Shrine. We are opened to the public daily, weather permitting.



10310 S. Twin Oaks Road,Hereford, AZ 85615 

Mass will be celebrated every Sunday at 2:00 pm with Fr. Marco effective July 1, 2019.           

Hours of Operation:

  • Spring/Summer months: 9:00am until Sunset
  • Late Fall/Winter months: 9:30am until 5:00pm (Winter Hours are from Dec 1 thru Feb 28)
  • Sunday Hours: 9:00am until 5:00pm

Events at the Chapel:

  • Holy Hour is held every Sunday at 3:00pm. (approximately 2 hours).
  • Service includes Divine Chaplet of Mercy, the Rosary and Prayers and Special Cross Blessing.
  • Mass is celebrated every Sunday at 2:00pm.  Changes do occur please view calendar.

Stations of the Cross:

  • Open daily from 9:00am until Sunset and can be accessed from the lower parking lot.

Mary's Knoll: Visitor Center & Prayer House

10235 S Twin Oaks Road, Hereford, AZ 85615 - Phone: (520) 378-2950

Hours of Operation:

  • Monday: Closed
  • Tuesday thru Thursday: 9:00am - 5:00pm
  • Friday: 9:00am -10:00pm
  • Saturday/Sunday: 9:00am - 5:00pm

Events at Mary's Knoll:

  • Friday Night Rosary at 7:30pm.
  • Anointing of the Sick on the first (1st) Friday of each month. (if a priest is available.)
  • Business Office: - Open during regular Hours of Operations.

We do not allow the following items on the premises:

  • Any smoking, alcoholic beverages or loud music.
  • Due to fire hazards - we ask that you do not bring or light any candles.
  • For group outings, we ask that you contact our office before your arrival with date/time.
  • Facilities for handicap are available.
  • Restroom facilities are available below the Chapel.

Photo Gallery


Rosary & Mass Dates and Times

  • 19 Jul 2019
    Rosary at Mary's Knoll 07:00 PM to 09:00 PM

  • 21 Jul 2019
    Mass Celebrated with Fr. Marco 02:00 PM to 03:00 PM

  • 19 Jul - 21 Jul
  • 21 Jul - 26 Jul
  • 28 Jul - 28 Jul

Mary's Knoll

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Directions to Our Lady of the Sierras Shrine


Our Lady of the Sierras is located at 10310 S. Twin Oaks Road, Hereford, AZ 85615

Our Lady of the Sierras Shrine