Holy Archangels Orthodox Christian Center Share: RetreatCenter/Spiritual Organization Holy Archangels Orthodox Christian Center Hwy N & CR 321 Jct. Ava, MO 65608 About About Providing an environment to study, explore, and practice the Orthodox Christian life through spiritual retreats, seasonal camps, wilderness excursions, educational conferences, & pastoral guidance. Call The Office (417) 683-4594 Office Location 810 Collins Avenue Ava, MO 65608 Email Us director@avachamber.org