Nonprofit · Youth · Community center · Health & HIV
Thornhill Lopez Center on 4th
Tucson, AZ · Serving Tucson and Southern Arizona
The Thornhill Lopez Center on 4th is the Southern Arizona AIDS Foundation's drop-in center for LGBTQ+ youth and allies ages 13 to 24 in downtown Tucson. Its Eon Youth Lounge offers a place to relax, study, use computers and connect with peers, plus a youth support group, leadership development, arts and workshops. The center provides HIV education and access to testing, and youth experiencing homelessness can get food boxes, clothing, bus passes, hygiene items, laundry and showers. All services are free; youth can walk in during open hours or call SAAF.
Get help
Youth ages 13-24 can walk in to the center at 526 N 4th Ave during weekday afternoon open hours, or call SAAF at (520) 628-7223 to confirm times. There are no fees.
Services and resourcesGet involved
Donations to the Southern Arizona AIDS Foundation support the center; follow the Eon Youth Lounge on Instagram for youth events.
Programs and services
Eon Youth Lounge
A drop-in lounge where LGBTQ+ youth and allies gather, study, use computers and build community with peers and staff.
Youth support and discussion group
A peer group where young people talk through identity, stress and everyday life.
Leadership, arts and workshops
Leadership development, art programming, workshops and social activities for youth.
HIV education and testing access
HIV/AIDS education and prevention with access to HIV testing through SAAF.
Services for youth experiencing homelessness
Food boxes, clothing, bus passes, hygiene products, safer sex materials, laundry and showers.
Compiled from Thornhill Lopez Center on 4th’s own website and public filings. Last checked September 30, 2026. Something out of date? Send a correction.
