Back to All Events HDTS Winter Open House Saturday, December 6, 2025 11:00 AM 3:00 PM HDTS HQ @ A-Z West 62923 Sullivan Road Joshua Tree, CA, 92252 (map) Google Calendar ICS Join us for our annual festive fete.RSVP to info@hdts.siteA-Z West – Studio 62923 Sullivan Rd, Joshua Tree, CA. Maps can often lead you to our neighbors; here’s a GPS pin on Google Maps to High Desert Test Sites Shop & Office at A-Z West.Free + open to the public. Add to calendar: Google | Outlook | iCal
HDTS Winter Open House Saturday, December 6, 2025 11:00 AM 3:00 PM HDTS HQ @ A-Z West 62923 Sullivan Road Joshua Tree, CA, 92252 (map) Google Calendar ICS Join us for our annual festive fete.RSVP to info@hdts.siteA-Z West – Studio 62923 Sullivan Rd, Joshua Tree, CA. Maps can often lead you to our neighbors; here’s a GPS pin on Google Maps to High Desert Test Sites Shop & Office at A-Z West.Free + open to the public. Add to calendar: Google | Outlook | iCal
