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Institute of Mentalphysics Tickets

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Event Venue & Retreat Space in Joshua Tree, CA

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The venue

About Institute of Mentalphysics

The Institute of Mentalphysics, commonly known as Joshua Tree Retreat Center, is a historic retreat campus in Joshua Tree, California. This venue offers multiple spaces for conferences, workshops, and spiritual or wellness retreats set on a sprawling desert campus. With a remarkable location at 59700 29 Palms Highway, Joshua Tree, CA 92252, the center is listed on the National Register of Historic Places as the Joshua Tree Retreat Center Historic District (2023).

Whether you’re hosting a large symposium or an intimate workshop, you’ll find flexible spaces, onsite parking, and access to nearby lodging and dining. We’ve got you covered with clear information to help you plan your visit, secure your seats, and coordinate logistics with trusted local partners.

Key spaces include the Sanctuary (approximately 250 seats), Sanctuary Hall (500+ seats), Noble Hall (about 350 seats), and Friendship Hall (210 seats). The Lotus Meditation Building accommodates smaller groups (about 25–40 seats depending on setup). Onsite parking is available, with campus directions indicating parking on the north area for Sanctuary and other spaces. Transit options are limited; typically guests arrive by car or shuttle. Nearby hotels offer convenient stays for attendees, including Joshua Tree Inn, Oasis Inn & Suites, and Hotel 29 Palms. For dining, there are a range of nearby options as well as campus-provided amenities. The venue hosts a variety of events, from long-standing retreats to notable festivals such as Desert Daze (as documented by local media), making it a vibrant hub for community and learning in the high-desert landscape.

Remember, this venue operates under the Joshua Tree Retreat Center branding with Institute of Mentalphysics as its historic teaching program. When planning, verify current space availability and capacity for your specific event date, and coordinate with trusted partners for accommodations and meals.

Good to know

Seating, Parking & Venue Information

  • Address: 59700 29 Palms Highway, Joshua Tree, CA 92252.
  • Venue type: Retreat center campus hosting conferences, workshops, and events; historically the Institute of Mentalphysics (now commonly known as Joshua Tree Retreat Center).
  • Notable spaces and capacities (official figures vary by space): Sanctuary (250 seats) per official Sanctuary page; Sanctuary Hall (500+ seats) per Retreat Space page; Noble Hall (350 seats); Friendship Hall (210+ seats); Lotus Meditation Building (25–40 seats depending on setup).
  • Parking: Onsite parking with campus directions indicating parking on the north/area parking for Sanctuary and other spaces.
  • Transit: Approximately 45 minutes from Palm Springs International Airport; Twentynine Palms Airport is about 23 miles away; public transit is limited; car or shuttle access is typical.
  • Nearby hotels: The Joshua Tree Inn (61259 Twentynine Palms Hwy), Oasis Inn & Suites (71809 Twentynine Palms Hwy), 29 Palms Inn / Hotel 29 Palms (Twentynine Palms area).
  • Notable events hosted: Desert Daze festival has been held on site (documented by KCRW); the property is listed on the National Register of Historic Places as the Joshua Tree Retreat Center Historic District (2023).
  • Renamed/demolished: The site is officially Joshua Tree Retreat Center, with Institute of Mentalphysics as its historic teaching program; no demolition; the organization has undergone branding/ownership changes.